Why we love this... Helps keep your box spring clean and dust-free Features elastic bands to keep it securely in place Unique textured slub design provides a beautiful finish for your exposed box spring. Offers full protective coverage for box springs on low-sitting frames. Certified STANDARD 100 BY OEKO-TEX®. Features elastic bands to help keep it securely in place. Fits box springs up to 12 " deep. Twin box spring protector measures 75 " L x 39 " W. Full box spring protector measures 75 " L x 54 " W. Queen box spring protector measures 80 " L x 60 " W. King box spring protector measures 80 " L x 78 " W. California King box spring protector measures 84 " L x 72 " W. 100% polyester. Machine wash. Imported.