Maenizi BS9 9 Inch Box Spring with Cover Queen
- Size: Queen
- Compatible With Mattress Size: Queen
- Maximum Weight Recommendation: 3000 pounds
- Form Factor: Platform Bed
Last refreshed Sep 9, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A queen box spring foundation meant to sit under a memory foam or hybrid mattress, rated for high weight capacity and built for quiet, stable support.
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ASIN: B0CK17WFQ5Model: BS9Category: Box Springs
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Overview
A 9 inch queen-size box spring foundation from Maenizi, with a steel frame rated to hold up to 3,000 pounds under a fabric cover, sized specifically to pair with memory foam or hybrid queen mattresses.
This is a mattress foundation, not a mattress itself: it sits under a queen mattress to provide support and lift. The steel construction is rated by the manufacturer to hold up to 3,000 pounds, and it is built to the queen dimensions of 79.6 inches long by 59.6 inches wide by 9 inches tall.
- Queen size, 9 inch height
- 79.6 in L x 59.6 in W x 9 in H
- Steel construction
- Compatible with memory foam and hybrid mattresses
Who it's for
For someone replacing an old, noisy, or sagging box spring under an existing queen mattress, particularly a memory foam or hybrid one. Not a fit for any other bed size, since this foundation is built specifically for queen.
Pros and cons
- Rated to hold up to 3,000 pounds
- Fabric cover finish
- Designed for quiet, stable support
- Clear assembly instructions included
- Fits queen size only
- 9 inch height may not suit a taller platform-bed look
Performance notes
The steel structure is built to stay stable and quiet under a mattress rather than creak or shift with movement, and the fabric cover sits under memory foam or hybrid mattresses without interfering with their support. The listed 3,000-pound rating refers to the foundation's static load capacity.
Specifications
| Brand | Maenizi |
|---|---|
| Model | BS9 |
| Dimensions & fit | |
| Size | Queen |
| Compatible With Mattress Size | Queen |
| Maximum Weight Recommendation | 3000 pounds |
| Item Depth | 9 inches |
| Item Dimensions | 79.6 × 59.6 × 9 inches |
| Item Dimensions L x W x H | 79.6 × 57.6 × 9 inches |
| Construction & materials | |
| Material Type | Metal |
| Color | 9 Inches |
| Finish Types | Polished |
| Furniture Finish | Metallic |
| Included components | |
| Number of Packs | 1 |
| Unit Count | 1 |
| Included Components | Box Spring, Cover |
| Other details | |
| Form Factor | Platform Bed |
| Shape | Square |
| Number of Items | 1 |
| Style Name | Modern |
| Item Type Name | Platform |
| Set Name | Queen Box Spring |
| Product Care Instructions | Wipe with Damp Cloth |
| Other Special Features of the Product | Fade Resistant, Squeak Resistant |
| Assembly Instructions Description | Clear and easy to follow |
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Frequently asked questions
What size mattress does this box spring fit?
Queen.
How tall is this box spring?
9 inches.
What weight can it hold?
The manufacturer rates it to hold up to 3,000 pounds.