YITAHOME MAYIH0009220MA
YITAHOME 90 Gallon Large Deck Box User Manual
Model: MAYIH0009220MA | Brand: YITAHOME
1. Product Overview
The YITAHOME 90 Gallon Large Deck Box is a versatile and durable outdoor storage solution designed to keep your patio furniture cushions, pool floats, and garden tools safe and dry. Its double-wall resin construction ensures sturdiness and weather resistance, while its elegant wooden texture blends seamlessly with any outdoor decor. This multi-purpose box also doubles as extra seating, supporting up to 450 lbs.

Figure 1.1: The YITAHOME 90 Gallon Large Deck Box, featuring a black finish and wooden texture.
2. Key Features
- Large Capacity: 90 gallon capacity with outer dimensions of 44.49''L x 22.83''W x 22.83''H, providing ample storage space.
- Double-Wall Construction: Unique dual-wall structure enhances sturdiness and durability, paired with all-weather guard resin for lasting outdoor use.
- Multipurpose Design: Doubles as an extra table or bench, accommodating two adults up to 450 lbs.
- Hydraulic Hinge: Provides smooth and anti-slam closing for increased safety and user-friendliness.
- Built-in Handles: Facilitate easy relocation of the storage box.
- Lockable Lid: Allows for secure storage (lock not included).

Figure 2.1: Illustration of the double-wall construction for enhanced durability.

Figure 2.2: The deck box can support up to 450 lbs, serving as comfortable extra seating.

Figure 2.3: Details of the hydraulic hinge, convenient side handles, and the lockable lid mechanism.
3. Setup and Assembly
The YITAHOME 90 Gallon Deck Box is designed for straightforward assembly, typically requiring approximately 30 minutes. No special tools are needed as components snap together.
Important Assembly Notes:
- Ensure all components are properly secured or tightened to maintain waterproofing and structural integrity.
- Some users have noted that tabs may require more than a "light tap" to fully engage. Flipping the box over and tapping from the bottom can assist in securing panels without breakage.
- Once installed, the product cannot be easily detached.
4. Operating Instructions
Opening and Closing the Lid:
The lid features a hydraulic hinge design, providing smooth and anti-slam closing for increased safety. It opens slowly and stays open without needing to be held. To close, gently push the lid down until it latches securely.

Figure 4.1: The deck box lid opens smoothly, revealing ample storage for various items.
Storage Capacity:
The 90-gallon interior provides generous space for storing patio furniture cushions, pool supplies, garden tools, and other outdoor essentials.

Figure 4.2: The spacious interior can accommodate a variety of outdoor items, keeping them organized and protected.
Portability:
Built-in side handles facilitate easy relocation of the deck box, whether by yourself or with assistance.
Security:
The lid is designed to be lockable, allowing for secure storage of your belongings. (Lock not included).
5. Maintenance
To ensure the longevity and optimal performance of your YITAHOME Deck Box, regular maintenance is recommended.
- Cleaning: Clean the resin surface periodically with mild soap and water. Avoid abrasive cleaners that could damage the material.
- Weather Protection: The double-wall resin construction provides excellent weather resistance. However, in extreme weather conditions (e.g., prolonged direct sunlight, heavy snow), consider additional protection to prevent potential warping or damage, especially to the lid.
- Waterproofing: Ensure all panels are securely fastened during assembly to maintain the waterproof integrity of the box. Regularly check for any gaps or loose connections.
6. Troubleshooting
Lid Warping:
Some users have reported lid warping, particularly in areas with intense heat and direct sunlight. While the resin is designed to be durable, prolonged exposure to extreme temperatures can affect its shape.
- Solution: If possible, position the deck box in a shaded area. For existing warping, placing heavy, flat objects on the lid during cooler temperatures may help it regain its shape.
Water Leakage:
If water leaks into the box, it is often due to improper assembly or loose connections.
- Solution: Re-check all panel connections and ensure they are fully snapped into place and secured. Verify that the bottom panel is correctly aligned and sealed.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | YITAHOME |
| Model Number | MAYIH0009220MA |
| Color | Black |
| Material | Resin |
| Special Feature | Weathertight |
| Recommended Uses | Outdoor |
| Product Dimensions | 44.49"L x 22.83"W x 22.83"H |
| Capacity | 90 Gallons |
| Closure Type | Latch |
| Water Resistance Level | Waterproof |
| Item Weight | 32.1 Pounds |
| Opening Mechanism | Hinge |
| Maximum Weight Recommendation | 450 Pounds |

Figure 7.1: Detailed product dimensions for planning placement and storage.
8. Warranty and Support
For warranty information, product support, or to purchase replacement parts, please contact YITAHOME customer service directly. Refer to the original packaging or the YITAHOME official website for contact details.







