The Outlast® Dog Crate Bed is a luxury crate pad with Outlast®,a material developed by NASA to help manage the build up of your pet's body heat. Outlast® is designed to manage heat and moisture to keep your dog's crate bed Just the right temperature - Not too Hot,Not too Cold. Features: For crates & carriers 22" x 35" Excellent support Lined with space-aged Outlast® Fabric so your pet is not too hot,not too cold Available in several sizes to fit the most popular pet crates and carriers Luxury micro suede material that is machine Wash and Dry Non skid bottom