Helps extends the life of your mattress Features a 100% polyester knit top for softness and durability Knit top treated with Scotchgard Stain Release and Moisture Wicking to keep the pad looking fresh and clean while wicking away moisture for cool breathability Fits mattresses up to 15" thick OEKO-TEX Certified. Twin/Twin XL Dimensions: 39" x 80" x 13" Full Dimensions: 54" x 75" x 13" Queen Dimensions: 60" x 80" x 13" King Dimensions: 76" x 80" x 13"