Mattress Foundation | Twin XL 9 in Foldable Metal Bed Base with Non-Slip Cover | Gray | Polyester

Whether you’re setting up a guest room, squeezing into a small apartment, or need flexible bedding, this full-size box spring foundation delivers. The 9-inch height works perfectly on the floor for a low-key look or as a box spring to lift your mattress. Its sturdy steel frame supports up to 800 lbs—durable enough for daily use or unexpected guests. When space gets tight, it folds in half for easy storage in closets or under beds. The removable linen cover keeps your mattress from slipping (no midnight adjustments!) and adds a clean, modern vibe. Assembly takes minutes—no fancy tools required—so you can get back to relaxing fast. It’s the budget-friendly pick for anyone who wants quality, versatility, and ease in one.