Does the thought of a sudden downpour ruining your gear in the truck bed make you cringe? We’ve all been there. You pack your tools, camping supplies, or groceries, only for a surprise rain shower to turn everything into a soggy mess. It’s frustrating, right?
Choosing the perfect waterproof truck bed storage can feel like a puzzle. You need something tough enough for rough jobs but secure enough to keep water out. Many options promise dryness but fall short when the real weather hits. You want protection without breaking the bank, but finding that sweet spot is tricky.
This guide cuts through the confusion. We will show you exactly what features matter most in waterproof truck bed storage. Learn the secrets to keeping your valuable items bone-dry, no matter the forecast. Get ready to say goodbye to water damage forever.
Top Waterproof Truck Bed Storage Recommendations
- 100% WATERPROOF- AlltoAuto cargo bed bag is made 100% waterproof heavy duty PVC, with waterproof zipper and a double flap. Grid material with High frequency voltage technology, durable and heavy duty style bag.
- JUMBO SIZE- 38-cubic feet storage beg (58”x 49”x23”) create an additonal cool dry space in your turck bed. At least 5 26" suitcases, 4 single tents and 4 sleeping bags can be stored at once.
- EASY TO INSTALL- AlltoAuto truck cargo bed bag has 4 stretch bungee cords which keep your cargo bag in truck bed easliy. 3 sides zippers make loading simple and convenient.
- UNIVERSAL FIT - The AlltoAuto Truck Bed Bag fits any brands of truck and any size of truck bed with 4 stretch bungee cord.
- 100% REFUND OR REPLACEMENT-AlltoAuto promises 30 days money-back and 24 months limited warranty+ 7*24 online customer support, if you are not 100% happy with your purchase, let us know so we can make it right by refunding or replacing your order.
- [Weatherproof] - Sailnovo truck bed cargo bag is made of high-quality heavy duty PVC sandwich mesh leather material with true waterproof zippers for use in extreme weather and a velcro flap design to make it completely rainproof. The whole bag seams are fused with a high-frequency process for good waterproof performance, which makes this truck bed storage fearless of extremely bad weather and protects your luggage from rain, snow, sun, and dust
- [Stable and durable] - Sailnovo truck bag is made of high quality and safe materials. 4 corners nylon webbing, advanced seam fusion, anti-tear, and anti-scratch. 6 elastic rope hooks, equipped with hooks to adapt to a variety of pickup truck models, can better help you fix waterproof truck cargo bag. Double-opening waterproof zipper with large holes in the zipper allows the use of large locks to better secure your belongings
- [Spacious Capacity] - Sailnovo truck bed waterproof storage can hold 26 cubic feet of space for 6-8 26" suitcases, 3 single tents, 3 sleeping bags, etc. The overall size is 50''x40''x22'', plenty of storage space to free up space inside the vehicle and make the journey more comfortable for multiple people. We are equipped with storage bags and inner boxes for easy storage and use
- [Easy to install] - Sailnovo waterproof cargo bag features 4 adjustable bungee cords for quick and secure installation in any truck bed. 3 side zippers make loading items simpler and easy to reach items from multiple angles. Equipped with sturdy handles for easy positioning and movement. If one person finds installation challenging, simply place the cargo bag in the truck bed before loading items for easier setup
- [Universal Fit] - The universal design with 4 adjustable bungee cords fits all truck brands and bed sizes - from compact to full-size trucks
- 【UNIVERSAL FIT FOR HITCH BASKETS】Fits most cars, trucks, SUVs and vans with hitch-mounted cargo baskets. Perfect for road trips, camping and outdoor travel
- 【EXTRA-LARGE 20 CUBIC FEET CAPACITY】Spacious 20 cu ft storage easily holds luggage, camping gear and travel essentials while expanding your vehicle’s cargo space
- 【WATERPROOF 800D PVC WITH ZIPPER FLAP】Durable 800D PVC with welded seams, extended zipper flap and Velcro closure helps keep cargo dry in rain and snow
- 【SECURE HOLD WITH 8 STRAPS & BUCKLES】8 reinforced straps and solid buckles keep the cargo bag firmly in place, preventing shifting during highway driving
- 【SAFETY & EASY CARRY DESIGN】 Reflective strip improves night visibility, ergonomic carry handles make lifting easier, and a combination lock helps secure zippers
- [Weatherproof] - Sailnovo truck bed cargo bag is made of high-quality heavy duty PVC sandwich mesh leather material with true waterproof zippers for use in extreme weather and a velcro flap design to make it completely rainproof. The whole bag seams are fused with a high-frequency process for good waterproof performance, which makes this truck bed storage fearless of extremely bad weather and protects your luggage from rain, snow, sun, and dust
- [Stable and durable] - Sailnovo truck bag is made of high quality and safe materials. 4 corners nylon webbing, advanced seam fusion, anti-tear, and anti-scratch. 6 elastic rope hooks, equipped with hooks to adapt to a variety of pickup truck models, can better help you fix waterproof truck cargo bag. Double-opening waterproof zipper with large holes in the zipper allows the use of large locks to better secure your belongings
- [Spacious Capacity] - Sailnovo truck bed waterproof storage can hold 38 cubic feet of space for 8 suitcases, 8 sleeping bags, 4 tents, etc. The overall size is 59‘’x48‘’x23‘’, plenty of storage space to free up space inside the vehicle and make the journey more comfortable for multiple people. We are equipped with storage bags and inner boxes for easy storage and use
- [Easy to install] - Sailnovo waterproof cargo bag features 4 adjustable bungee cords for quick and secure installation in any truck bed. 3 side zippers make loading items simpler and easy to reach items from multiple angles. Equipped with sturdy handles for easy positioning and movement. If one person finds installation challenging, simply place the cargo bag in the truck bed before loading items for easier setup.
- [Universal Fit] - The universal design with 4 adjustable bungee cords fits all truck brands and bed sizes - from compact to full-size trucks.
- Interior Dimensions: 29.875"L x 13.25"W x 12.5"H (76cmL x 34cmW x 32cmH); Exterior Dimensions: 37.25"L x 18"W x 14"H (94cmL x 46cmW x 36cmH)
- PLANO SPORTSMAN STORAGE TRUNK WITH WHEELS: Store or take your tools, hunting gear, ammunition, camping supplies, and more on the go with the Plano Sportsman Trunk with Wheels. With a 108-quart total capacity, the possibilities are endless
- DURABLE CONSTRUCTION: Reusable storage that stands the test of time. This heavy-duty storage bin is made from high-impact plastic with molded grooves for sturdy stacking, and a reinforced removable lid
- EASY-GLIDE WHEELS ensure smooth transport to and from adventures. Solid wheels can accommodate heavy loads, so can stock up all your gear in one convenient trunk
- PREMIUM STORAGE INDOORS OR OUTDOORS: Fits easily in the closet, attic, garage, or work shed. Tie-down points on either side of the box provide stability during transportation in a truck, boat, or plane
- WEATHERPROOF TRUCK BED STORAGE FOR FAMILY TRAVEL - Designed for road trips, camping, and outdoor adventure, this 26 cubic foot truck bed storage bag shields your gear from rain, wind, and dust. This truck bed bag with durable PVC truck bed tarp and waterproof construction keep tents, luggage, and blankets clean and dry. Whether you're packing for a weekend getaway or cross-country trip, this waterproof cargo bag is made for American families on the move
- THE HEAVY-DUTY TRUCK BED CARGO BAG THAT’S BUILT TO LAST - Reinforced waterproof stitching and a high-grade zipper make this truck bed cargo bag dependable in all weather. Our truck bag with PVC-coated fabric resists tearing and stays flexible in extreme temps. This pickup bed storage with dual openings and sturdy side handles make loading simple—even when solo. Ideal for everyday hauls or weekend camping trips, this cargo bag keeps your gear dry and your truck organized
- WATERPROOF CARGO BAG BUILT FOR WEEKENDS & WILD WEATHER - This truck bed bag’s waterproof design is built for versatility. Cargo bags like this allow you to toss in tents, camp chairs, coolers, or clothes—whatever your trip calls for. Compatible with all truck sizes, this truck bed loading pouch can well create extra space without compromising protection for beds. A perfect fit for travelers who want waterproof truck bed storage without the bulky box.
- FOR PICKUP TRUCK OWNERS DEMANDING CAMP-READY STORAGE - Whether you're tailgating, camping, or moving across state lines, this cargo truck bed bag gives you dependable storage. Use it as a waterproof luggage bag for truck bed trips, or a daily cargo bag for truck bed errands. The high-capacity design doubles as a cargo carrier cover for seasonal gear, sports equipment, or emergency supplies
- STAY ORGANIZED & READY WITH OUTnGO - Reflective strips help you locate openings at night, and smooth zippers make access fast. When the trip’s over, This waterproof cargo bag for truck bed can fold down quickly and store in its included pouch. Use the rear card slot in this truck cargo bag to track packed items. From truck bed tote duty to rough country truck bed cargo storage box alternative, OUTnGO is your grab-and-go cargo solution
- 100% Waterproof Protection – Made of heavy-duty PVC material with reinforced zippers and heat-welded seams to keep your gear completely dry in heavy rain, snow, or dust.
- Large 26 Cubic Feet Storage – Holds up to 5–6 suitcases or camping gear, perfect for family trips, moving, or outdoor adventures. Overall size is 51''x40''x22''.
- Universal Fit for All Pickup Trucks – Equipped with adjustable straps for quick installation and a secure fit on any truck bed.
- Durable & Tear-Resistant – Built to last with military-grade material, double-stitched seams, and reinforced straps for maximum strength.
- Worry-Free Guarantee – Backed by a 30-day money-back guarantee and a 12-month warranty, so you can purchase with confidence.
- Fits Any Truck: Measures 51x40x22 inches and 26 cubic feet, the cargo bag can hold everything of a family of 5-6 people. Fits any mid-size and full size trucks.
- Weather-proof Design: The whole bag is welded together out of 500D tarpaulin fabric with no needle holes, so not a drop of water can seep into. It also comes with vinyl coated rain-proof zipper that seals even moisture out. On top of that, an extra Velcro-sealed rain curtain is also in place to cover the zipper against nasty weather.
- Built-in Tie Down Straps: Each bag comes with 4 built-in ratchet tie down straps that easily attach to your truck bed cargo anchors. When not in use, the straps can be easily and neatly stowed into the Velcro shields at each corner of the bag.
- 4 Side Handles: Two handles at each side of the bag make the loading and unloading much easier.
- Storage Bag Included: Extra drawstring bag for the cargo bag is also included for easy storage.
The Essential Buying Guide for Waterproof Truck Bed Storage
Keeping your gear dry and secure in your truck bed is crucial. Whether you haul tools for work or camping supplies for weekend adventures, good waterproof storage makes a huge difference. This guide helps you choose the best option.
Key Features to Look For
When shopping, focus on these main features first. They determine how well the storage will actually work for you.
1. True Waterproofing Seal
This is the most important feature. Look for strong, continuous seals around the lid and body. Rubber gaskets or high-quality weather stripping create a barrier against rain and spray. A simple overlapping lid might let water seep in during a heavy storm.
2. Security and Locking Mechanisms
Your storage box needs to protect your items from theft. Heavy-duty, corrosion-resistant metal latches are best. Check if the locks are integrated or if you can easily add your own padlocks for extra security.
3. Ease of Access
Consider how often you need to get into the box. Gas struts or heavy-duty hinges help hold the lid open, making loading and unloading much easier, especially in tight spaces or bad weather. A box that is hard to open often gets left closed, defeating its purpose.
4. Mounting and Fit
The unit must fit your truck bed perfectly. Measure the width, depth, and height before buying. Look for simple, secure mounting systems. Some boxes bolt down, while others use specialized clamps that grip the bed rails without drilling.
Important Materials Matter
The material directly impacts durability and weight. Good materials last longer and handle rough use better.
- High-Density Polyethylene (HDPE): This plastic is very popular. It resists cracking, fading from the sun (UV rays), and chemicals. It is also relatively lightweight.
- Aluminum: Aluminum boxes are extremely tough and resist rust. They offer superior security but weigh more than plastic options. They are great for heavy tools.
- Steel (Powder-Coated): Steel provides the strongest security, but the coating must be excellent. Any scratch that penetrates the powder coat can lead to rust over time.
Factors That Improve or Reduce Quality
Quality isn’t just about the main material. Small details often make the biggest difference in the long run.
Quality Boosters:
- Thick walls and a reinforced lid resist impact damage.
- Stainless steel hardware (hinges, bolts) will not rust, even when exposed to road salt or ocean air.
- Internal storage dividers keep smaller items organized and prevent them from sliding around.
Quality Reducers:
- Thin, flimsy plastic warps easily under heat or heavy loads.
- Cheap, plastic latches break quickly under stress.
- Poorly aligned seams mean water will eventually find a way in.
User Experience and Use Cases
Think about how you actually use your truck. This helps narrow down the style of storage you need.
For the Contractor:
If you carry power tools and sensitive equipment, you need maximum security and weather protection. A full-length, low-profile crossover box is often best. You need space for large toolboxes, so durability against heavy weight is key.
For the Weekend Adventurer:
Campers and outdoor enthusiasts often need easy access to gear like coolers, recovery straps, or fishing rods. A side-mounted or dual-lid box might offer quicker access to specific items without having to climb into the bed. Organization trays are very helpful here.
Installation Ease:
A simple installation process saves time and frustration. If you are not mechanically inclined, look for storage that uses existing mounting points or simple clamp systems. Professional installation might be necessary for larger, permanent units.
Frequently Asked Questions (FAQ) About Waterproof Truck Bed Storage
Q: How do I know if the storage is truly waterproof and not just water-resistant?
A: True waterproofing relies on a solid gasket or seal all the way around the lid where it meets the body. Water-resistant means it might handle a light sprinkle, but heavy rain or a car wash will likely get water inside.
Q: Will a plastic box crack in freezing weather?
A: High-quality HDPE plastic is designed to handle cold temperatures without becoming brittle. Cheaper plastics, however, can crack if hit hard when frozen.
Q: Should I get a crossover box or a side/wheel well box?
A: A crossover box sits across the width of the bed near the cab and offers the most volume. Side or wheel well boxes save bed space but offer less storage capacity. Choose based on how much open bed space you need.
Q: How does the weight of the empty box affect my truck’s payload?
A: Every storage box adds weight. Heavier aluminum or steel boxes reduce the amount of cargo you can legally carry. Always check the empty weight of the box against your truck’s Gross Vehicle Weight Rating (GVWR).
Q: Can I still use a tonneau cover with a truck bed storage box?
A: This depends entirely on the height of the box. Most low-profile crossover boxes fit fine under a retractable or rolling cover. Taller, deep-drawer systems usually require a traditional hinged or solid cover, or sometimes no cover at all.
Q: How often should I check the seals?
A: You should inspect the rubber gaskets or weather stripping at least twice a year, especially before the heavy rain or snow season. Wipe them down and ensure they are seated correctly.
Q: Are aluminum boxes too hot inside during the summer?
A: Metal conducts heat. Aluminum boxes can get very hot inside when parked in direct sunlight. If you store sensitive electronics or temperature-sensitive items, a well-insulated plastic box might be a better choice.
Q: What is the easiest way to secure the box to the truck bed?
A: The easiest methods usually involve specialized clamps that grip the bed rails without drilling holes. Bolting the box directly to the bed floor offers the most permanent and secure installation.
Q: Do these boxes affect my truck’s resale value?
A: A well-maintained, quality storage box can actually be a selling point. If you drill holes for installation, future buyers might see that as damage unless the box is removed and the holes are properly plugged.
Q: Are there options that swing out for easier access?
A: Yes. Drawer systems or specialized “swing-out” boxes are available, particularly for larger units. These move the storage out from under the bed rails, making it easier to reach items without climbing over the side.