Polyester,cotton Made in the USA Fits 3" x 30" x 75" (Bunk) Cooling Gel Memory Foam or Latex or conventional Mattress Cotton on Top and Sides of the Cover. Polyester Non Skid Bottom. All Around 360 degree Zipper for easy removal. This is Cover only! mattress not included Machine Washable. Tumble dry, low temperature. Do not bleach Made in USA. Don't see what you're looking for? Contact us for your custom mattress cover needs! The Cover Is made with Premium Cotton Top and Polyester Non Skid Bottom.Total Composition: 40% Cotton - 60% Polyester. All our covers are removable via a zipper system, and are fully machine washable.The cover is designed with ALL AROUND ZIPPER (360°), making it extremely easy to install onto your mattress or removal for cleaning purposes. The cover also has the NON-SKID BOTTOM, which prevent your mattress/topper from sliding out of place. The COTTON textile of the cover brings in a soft feeling, adding an extra thin layer of comfort to your mattress. A 50% restocking fee may apply on returns.