1. Introduction
The ZINUS 5 Inch Metal Smart Box Spring is designed to provide a flat, level, and dependable steel structure foundation for your mattress. This product is engineered for easy assembly and durability, ensuring your mattress remains in optimal shape. It includes a poly jacquard cover for a clean aesthetic.

Figure 1: ZINUS 5 Inch Metal Smart Box Spring (Twin Size)
2. Safety Information
WARNING:
- Be careful around sharp edges during assembly and handling.
- Do not exceed the maximum weight limit:
- Twin size: 350 lbs
- Full, Queen & King sizes: 700 lbs
- This box spring is designed to be supported by a bed frame or platform bed (sold separately). Do not use without proper support.
3. Package Contents
Your ZINUS Smart Box Spring package includes all necessary parts, tools, and instructions for assembly. Please verify all components are present before beginning assembly.
- Metal Frame Components
- Support Slats
- Poly Jacquard Cover
- Assembly Tools (typically an Allen wrench)
- Instruction Manual (this document)

Figure 2: Components as packaged
4. Setup and Assembly
The ZINUS Smart Box Spring is designed for quick and easy assembly. Follow these steps for a hassle-free setup:
- Unpack Components: Carefully remove all parts from the compact shipping box. Lay them out on a clean, flat surface.
- Assemble the Frame: Connect the main metal frame sections. Many joints are designed to simply pop into place. Secure these connections using the provided bolts and tools.
- Insert Support Slats: Once the main frame is assembled and secured, insert the metal support slats. These slats typically click into designated slots on the frame. Ensure they are firmly in place to provide proper mattress support.
- Attach the Cover: Drape the poly jacquard cover over the assembled metal frame. The cover is designed to fit snugly and provide a finished appearance.

Figure 3: Visual guide for easy setup steps.

Figure 4: Detail of frame connection points.

Figure 5: Process of attaching the poly jacquard cover.
For a visual demonstration of the assembly process, please refer to the user guide PDF available on the product page.
5. Operating and Usage
The ZINUS Smart Box Spring serves as a robust foundation for your mattress. Once assembled and placed on a compatible bed frame or platform bed, simply place your mattress directly on top of the box spring. The non-slip fabric of the cover helps to keep your mattress securely in place.

Figure 6: Fully assembled box spring with mattress in use.
Ensure the dimensions of your mattress are compatible with the box spring. The Twin size box spring measures 74"L x 38"W x 5"H.

Figure 7: Twin size dimensions and 350 lbs capacity.
6. Maintenance
To maintain the cleanliness and appearance of your ZINUS Smart Box Spring, simply wipe it with a dry cloth as needed. Avoid using harsh chemicals or abrasive cleaners.
7. Troubleshooting
If you encounter any issues with your ZINUS Smart Box Spring, please review the assembly steps to ensure all connections are secure and slats are properly seated. For further assistance, refer to the official ZINUS User Guide or contact ZINUS customer support.
No specific troubleshooting steps are provided in the product information.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | ZINUS |
| Model Number | OLB-ABS-5T |
| Size | Twin |
| Product Dimensions | 74"L x 38"W x 5"H |
| Item Weight | 22.9 pounds |
| Color | White |
| Material | Steel Interior Frame With Knitted Polyester Cover |
| Assembly Required | Yes |
| Compatible Mattress Size | Twin |
| Max Weight Capacity (Twin) | 350 lbs |
| Product Care Instructions | Wipe with Dry Cloth |
9. Warranty and Support
The ZINUS 5 Inch Metal Smart Box Spring comes with a worry-free 5-year limited warranty. Please retain your proof of purchase for warranty claims.
For detailed warranty information or further support, please refer to the official ZINUS User Guide or Installation Manual:
You can also visit the ZINUS Store on Amazon for more product information and customer service contacts.







