Fit: Perfect Fit for Twin, Full, Queen, King & California King Bed Mattress. ONLY for use with bed and box spring. Please Note: The price is one piece. If you want to surround 3 sides, you need to buy 3 side rails depending on the size of the mattress.
Material: Strong steel frame and breathable mesh padding, abrasion-resistant, comfortable to touch, not easy to tear and can be removed and washed easily, lead-free paint.