Our Bamboo filled Mattress Toppers allow for breath-ability and aid in cooling down body temperature. Shell made from 100% Cotton and filled with 70% Rayon from bamboo and 30% Microfiber at 750 grams per square meter. You''ll adore the cooling comfort that this 2 inch gusset topper will add to your bed.•Filled with 70% Bamboo & 30% Microfiber.•Perfect support Providing Relief from Back Pain.•Fits ALL Mattress 8" - 18" in Thickness.•4 Anchor Bands to Hold Topper in Place.•Royal Hotel Bedding Brand.•Construction: 2 inch Gusset on the Sides Box Stitch -Through.Available Sizes Include:•Twin: 39 inch wide X 75 inch Long, Overfilled 50 Ounces•Twin XL: 39 inch wide X 80 inch Long, Overfilled 53 Ounces•Full: 54 inch wide X 75 inch Long, Overfilled 69 Ounces•Queen: 60 inch wide X 80 inch Long, Overfilled 82 Ounces•King: 78 inch wide X 80 inch Long, Overfilled 106 Ounces•California King: 72 inch wide X 84 inch Long, Overfilled 103 Ounces