Our crate mats provide ultimate comfort and relaxation while in a crate as well as indoor napping or traveling. The ample size and reversible option is designed to provide soothing and restful sleep on either side while keeping your pet cozy and safe. The high-quality thermal bonded white polyester fiber filling ensures durability and the highest level of orthopedic support for your pet. The multi-purpose design is ideal for many situations such as in crates, car rides, napping, lounging or pet houses. Works great as a stand-alone bed, making it a great option for pet parents that love to travel with their fur babies! Insert/Fill Content: 100% Thermal Bonded Pressure Fused White Polyester Fabric Fiber Content: 100% Polyester Size & Weight 20″ x 30″ x 2.5” (Small) = 2 lbs. Ea. 24″ x 36″ x 2.5” (Medium) = 3 lbs. Ea. 28″ x 42″ x 3” (Large) = 4 lbs. Ea.