1. Product Overview
The ZINUS Smart Box Spring is designed to provide a flat, level, and dependable foundation for your mattress, ensuring it remains in optimal shape. Crafted from durable steel, this box spring is engineered for lasting strength and comes compactly packaged for convenient shipping and handling. It includes a poly jacquard cover that seamlessly integrates with your bedroom decor.
This Twin size box spring measures 74 x 38 x 9 inches. It is compatible with all Zinus mattresses and bed frames. Please verify dimensions for compatibility with non-Zinus products.

Image: The ZINUS 9 Inch Metal Smart Box Spring, shown with a mattress on top, highlighting its role as a sturdy foundation.

Image: A ZINUS Smart Box Spring with a mattress placed on it, demonstrating its function as a bed foundation.
2. Assembly Instructions
The ZINUS Smart Box Spring is designed for easy assembly, arriving disassembled with all necessary metal pieces and a cover. Assembly is straightforward and does not require extensive time or specialized tools; an Allen wrench/hex key is included for tightening wingnuts. Many users report assembly taking less than an hour for a single person.
Assembly Steps Overview:

Image: A visual guide illustrating the five simple steps for setting up the Smart Box Spring, from unpacking to final assembly.
- Unpack all components from the compact shipping box.
- Assemble the metal frame pieces according to the provided visual instructions.
- Secure all connections using the included tools.
- Place the assembled frame onto your bed frame.
- Carefully apply the poly jacquard cover over the assembled frame, zipping it into place.
For detailed, step-by-step instructions, please refer to the official Installation Manual (PDF).

Image: A detailed view of the sturdy metal frame corner of the ZINUS Smart Box Spring, showcasing its construction.

Image: A close-up of the connection points on the ZINUS Smart Box Spring metal frame, illustrating the secure assembly mechanism.
3. Usage Guidelines
The ZINUS Smart Box Spring serves as a robust foundation for your mattress, providing essential support and stability. Ensure the box spring is placed on a suitable bed frame to maximize its performance and longevity.
Weight Capacity:
- Twin size: Supports a maximum weight capacity of 350 lbs.
- Full, Queen & King sizes: Can support up to 700 lbs (for other models).
Always adhere to the specified weight limits to prevent damage to the box spring and ensure user safety.

Image: A visual representation of the Twin size ZINUS Smart Box Spring's dimensions (74" x 38" x 9") and its 350 lbs weight capacity.
4. Maintenance
To maintain the cleanliness and appearance of your ZINUS Smart Box Spring, simply wipe it with a damp cloth as needed. Avoid using harsh chemicals or abrasive cleaners, which may damage the fabric or metal finish.
5. Troubleshooting
The ZINUS Smart Box Spring is designed for durability and ease of use. If you encounter any issues during assembly or use, please ensure all connections are securely tightened according to the assembly instructions. For persistent problems or concerns, refer to the official ZINUS support channels.
6. Specifications
| Attribute | Detail |
|---|---|
| Size | Twin |
| Color | Off-white |
| Included Components | Foundation, Cover |
| Brand | ZINUS |
| Item Weight | 26.2 pounds |
| Product Dimensions | 74 x 38 x 9 inches |
| Assembly Required | Yes |
| Item Model Number | OLB-ABS-9T |
| UPC | 841550068610 |
| Fabric Type | Steel Interior Frame With Knitted Polyester Cover |
7. Warranty and Support
The ZINUS 9 Inch Metal Smart Box Spring comes with a 5-year limited warranty, covering manufacturing defects. Please retain your proof of purchase for warranty claims.
For additional support, product information, or to explore other ZINUS products, please visit the Official ZINUS Store.





