Extend the life of your mattress, while you sleep clean and fresh. Constructed with an ideal blend of 60% bamboo/40% hypoallergenic microfiber, this comfy top quilted cover is temperature regulating, moisture wicking, as well as being soft and smooth to the touch. 100% waterproof polyurethane back design encases your mattress on 5 sides, blocking liquids, dust mites, contaminates and moisture, while being breathable and quiet. Not your average waterproof protector. You and your mattress deserve more. Twin extra long measures 39' x 80". Full measures 54" x 75". Queen measures 60" x 80". King measures 78" x 80". California King measures 72" x 84". Can accommodate mattresses up to 18” deep. Medium Solid China Imported Product Specifications 39" x 75" Material & Care Bamboo Machine washable