Maximize cargo space on your camper with sturdy bumper storage boxes designed for outdoor reliability. This guide highlights five top options that fit bumper and under-vehicle storage needs, focusing on durability, security, and ease of access. Each product is evaluated for RV and truck use, so you can compare capacity, materials, and locking options to choose the best fit for your setup.
Summary of selected products:
- MORryde SP54-099 StepAbove Storage Box — steel body with lockable aluminum door, 27-3/4″ wide, ~1.5 cu ft.
- ARKSEN 30 Inch Aluminum Diamond Plate Tool Box — lightweight aluminum, multiple sizes, two-key lock.
- Kohree 81L RV Storage Organizer — collapsible, 81.4L capacity, waterproof, 5 removable dividers.
- Buyers Products 1712230 Storage Chest — 2.6 cu ft, high-density polyethylene, lock-ready hinge.
- MAXXHAUL 80350 Steel Tongue Box — heavy-duty steel, weather-resistant seal, cam lock with keys.
MORryde SP54-099 StepAbove Storage Box

The MORryde SP54-099 combines a durable steel body with a lockable aluminum door for secure, weather-resistant storage. Its dimensions—27-3/4″ wide by 10″ tall and 10.5″ deep—offer roughly 1.5 cubic feet of space designed for camper bumper or under-vehicle use. A lockable door discourages unauthorized access while keeping items organized and protected from the elements.
ARKSEN 30 Inch Aluminum Diamond Plate Tool Box

ARKSEN offers a high-strength aluminum toolbox featuring a diamond plate design for enhanced rigidity and corrosion resistance. Available in multiple sizes, these boxes provide secure storage for tools or camping supplies. It includes two keys and a robust lock, ensuring items remain safe during travel, while carrying handles support portability in outdoor environments.
Kohree 81L RV Storage Organizer

The Kohree organizer emphasizes large capacity and flexibility, with 81.4L of space and five compartments plus four mesh pockets. Constructed from heavy-duty waterproof 900D Oxford fabric, it resists wear and deformation. The design includes removable dividers for custom configurations and collapses flat when not in use, aiding organization in RV trunks or cargo areas.
Quick Products QP-USSB Under-Step Storage Box

Designed for MORryde StepAbove entry systems, the Quick Products under-step box provides versatile storage in the open space beneath an entry step. It is ideal for stowing cords, leveling tools, wheel chocks, and other campsite essentials that benefit from quick access as you prepare to depart or set up camp.
Buyers Products 1712230 Storage Chest

This 2.6 cu ft storage chest from Buyers Products uses high-density polyethylene for durable, dent-resistant storage. It features a molded, secure double-wall lid and a lock-ready zinc-plated hinge. The lid and hinge design aims to resist weather exposure while providing compatibility with standard padlocks or locks for added security in bumper storage applications.
MAXXHAUL 80350 Steel Tongue Box

The MAXXHAUL tongue box combines heavy-duty steel construction with a weather-resistant finish. It includes a built-in Cam lock mechanism and key system to secure contents and resist tampering. Its rugged build makes it well-suited for bumper storage by withstanding outdoor conditions while keeping tools or outdoor gear secure during travel.
Buying Guide
Key considerations when selecting a camper bumper storage box include material, mounting compatibility, security features, and capacity. Steel and aluminum options balance durability with weight; aluminum is lighter but may offer less impact resistance, while steel delivers maximum toughness. Look for boxes that fit your bumper or under-vehicle mounting dimensions, with clear interior measurements and compatible mounting hardware. Security is essential for camping gear, so prefer boxes with lockable doors or lock-ready hinges and rust-resistant finishes for outdoor exposure. Consider whether you need removable dividers, extra mesh pockets, or collapsible designs for off-season storage. Finally, assess whether the box supports quick access during setup or teardown, especially for frequently used items like cables, leveling tools, or safety equipment. Compare products on:
– Capacity and dimensions
– Material and finish
– Locking mechanism and keying options
– Weather resistance and drainage
– Portability and mounting versatility
– Included accessories and warranty