Zinus 9" Twin Metal Smart Box Spring with Steel Frame & Fabric Cover

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Woot has Zinus 9in Twin Metal Smart Box Spring, Steel Frame, Poly Jacquard Cover on sale for $27.99, down from a $95.00 reference price. Shipping is free for Prime members.

By Plumzoo · Posted October 22, 2026.

• Twin size measures 73.8 x 38 x 9 inches — 5 inches shorter than Twin XL, so measure your frame first
• Steel interior frame with a poly jacquard cover; tool-free locking brackets for a few-minute assembly
• Twin/Twin XL size supports up to 350 lbs; compatible with Zinus mattresses and most standard bed frames
• Includes a 5-year limited warranty on the box spring (bed frame sold separately)
• Limit 3 per customer; deal runs 11 days or until sold out

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