Product details:

Perfect for extending the life of your mattress and offering a boost of height, box springs are an essential addition to your master suite or guest room. Set a neutral and understated foundation in your space with this versatile 7" box spring. Crafted with a steel frame and wrapped in the gray fabric along the sides, this piece features a system of wooden slats and a center support beam to prevent sagging and prop up your mattress with the help of a metal bed frame (sold separately).