Gel Core: 2 cm Nylon Core (Polyester) Supports temperature regulation Cooling effect upon contact with the body Works without additional cooling, electricity, or water Cools within a few hours After use, it's ready for reuse after a short break Can also be used, for example, on beds, dog crates, or in the car Meets animal protection requirements according to section 18 (AT) Cooling ingredients: water, carboxymethyl, sodium, preservatives Gray L, 65*50 cm