Amazon Basics Box Spring 9" Mattress Box Spring - Twin Size (Bed Frame NOT Included)

Amazon Basics 9" Smart Box Spring, Mattress Foundation.

• The look and functionality of a traditional box spring, but made from steel to support any spring, memory foam, or hybrid mattress
• Durable steel frame and horizontal slats provide sturdy, reliable support for any same-size mattress
• 2-piece fabric top and bottom covers the frame and zips together for full coverage; cover is removable for spot cleaning
• Easy tool-free assembly; interlocking frame components assemble in minutes
• Outer frame folds down for compact, convenient shipping to your front door
• Twin size measures 9 x 74 x 38 inches (HxLxW)