1. Introduction
Thank you for choosing the JUMMICO 160 Gallon Resin Outdoor Storage Deck Box. This product is designed to provide a secure and organized storage solution for your outdoor items such as garden tools, pool supplies, cushions, and more. Constructed from durable, waterproof, and UV-resistant HDPE material, it ensures long-term protection for your belongings. This manual provides essential information for the safe assembly, operation, and maintenance of your deck box.

Image 1.1: The JUMMICO 160 Gallon Resin Outdoor Storage Deck Box, shown open and filled with various outdoor items.
2. Safety Information
- Do not allow children to climb on or play inside the deck box. This product is not a toy.
- Ensure the deck box is placed on a flat, stable surface to prevent tipping.
- Do not store flammable or hazardous materials inside the box.
- Distribute weight evenly inside the box to maintain stability.
- Keep the lid closed when not in use to prevent water accumulation and to secure contents.
- This product is delivered in two packages. Ensure both packages are received before beginning assembly.
3. Package Contents
Before assembly, verify that all parts listed below are present. If any parts are missing or damaged, please contact JUMMICO customer support.
| Item | Description | Quantity |
|---|---|---|
| Side Panels | Long and short side panels for the box structure. | 4 |
| Bottom Panel | Base of the storage box. | 1 |
| Lid | Top cover with integrated hinge points. | 1 |
| Hydraulic Hinges | Gas struts for soft-close lid operation. | 2 |
| Divider | Internal partition for organizing contents. | 1 |
| Hardware Kit | Screws, bolts, and other fasteners for assembly. | 1 set |
| Instruction Manual | This document. | 1 |
Note: This product is shipped in two separate packages. Please ensure both are received before proceeding with assembly.
4. Assembly Instructions
Assembly typically requires a Phillips head screwdriver and may benefit from a rubber mallet. Allow approximately 45 minutes for assembly.
- Unpack and Identify Parts: Carefully remove all components from the packaging. Lay them out and compare them against the "Package Contents" list to ensure everything is present.
- Assemble Side Panels: Connect the long and short side panels together using the provided fasteners. Ensure the grooves align correctly for the bottom panel.
- Insert Bottom Panel: Slide the bottom panel into the grooves of the assembled side panels. Gently tap with a rubber mallet if needed to ensure a snug fit.
- Attach Lid: Secure the lid to the top edge of the side panels using the designated hinge points and fasteners.
- Install Hydraulic Hinges: Attach the hydraulic hinges (gas struts) to the lid and the back panel of the box. Follow the specific instructions in the hardware kit for correct orientation and attachment. These hinges provide a soft-close mechanism.
- Insert Divider: Position the internal divider into the designated slots inside the box to create separate storage compartments.
- Final Check: Ensure all connections are secure and the lid opens and closes smoothly.

Image 4.1: Key features including the internal partition, hydraulic lid support, integrated handle, and lockable latch.
5. Operating Instructions
- Opening the Lid: Lift the lid from the front. The hydraulic hinges will assist in opening and holding the lid in an open position.
- Closing the Lid: Gently pull the lid down. The hydraulic hinges will provide a soft-close action, preventing sudden drops. Ensure the lid is fully closed to maintain waterproof integrity.
- Using the Divider: The included divider can be placed in various slots to customize storage compartments. This helps organize smaller items and prevents them from shifting.
- Locking Mechanism: The deck box features a built-in latch for a padlock (padlock not included). To secure your items, align the latch and insert a padlock through the designated hole.
- Portability: The deck box is equipped with built-in handles on the sides for easier relocation when empty.
6. Maintenance and Care
- Cleaning: Clean the deck box regularly with mild soap and water. Use a soft cloth or sponge. Avoid abrasive cleaners or brushes that could scratch the surface.
- Waterproof Feature: The HDPE material is waterproof. Ensure the lid is properly closed to prevent water ingress during rain. While designed to be waterproof, it is not submersible.
- UV Resistance: The material is UV-resistant to prevent fading and degradation from sun exposure. However, prolonged exposure to extreme sunlight over many years may still cause some material changes.
- Winter Storage: If storing the box during winter, ensure it is clean and dry. You may choose to store it indoors or cover it for added protection against harsh weather conditions.
- Hinge Care: Periodically check the hydraulic hinges for smooth operation. Do not apply excessive force when opening or closing the lid.

Image 6.1: The deck box is designed to be waterproof against rain and UV resistant against sun exposure.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Lid does not close properly. | Obstruction, uneven surface, or misaligned hinges. | Check for items blocking the lid. Ensure the box is on a level surface. Verify hinge installation. |
| Water inside the box. | Lid not fully closed, extreme weather conditions, or damaged seal. | Ensure the lid is securely closed. Check for any visible damage to the box or lid. |
| Lid is difficult to open/close. | Hinges are stiff or damaged. | Check hydraulic hinges for proper installation and function. Do not force the lid. |
| Box feels unstable. | Uneven surface or loose connections. | Relocate the box to a flat, stable surface. Re-tighten all assembly fasteners. |
8. Specifications
| Feature | Detail |
|---|---|
| Brand | JUMMICO |
| Model Number | J24PSB |
| Material | High Density Polyethylene (HDPE) |
| Color | Black |
| Capacity | 160 Gallons |
| Product Dimensions (L x W x H) | 55.1" x 27.95" x 29.5" |
| Special Features | Built-In Handle, Lockable, Divider, Waterproof, UV-Resistant, Hydraulic Hinges |
| Closure Type | Flip Top |
| Item Weight | 29.1 pounds |

Image 8.1: Detailed product dimensions for the 160 Gallon Deck Box.
9. Warranty and Support
JUMMICO products are manufactured to high-quality standards. For specific warranty information, please refer to the warranty card included with your purchase or visit the official JUMMICO website. If you encounter any issues or have questions regarding your JUMMICO 160 Gallon Resin Outdoor Storage Deck Box, please contact JUMMICO customer support for assistance.
For further information or to contact support, please visit: JUMMICO Store on Amazon

