Features: 1.Cooling Scarf: The gel of the cooling collar absorbs the heat from the dog and then passes the comfortable cooling effect to the dog. 2.How to Use: Put the product directly in the refrigerator to freezes and use it directly for pets. 3.Lightweight & Adjustable: suitable for most breeds of dogs, allows full range of motion, making it easy for your dog to run, play , enjoy the outdoors and stay cool. 4.Available Sizes: 3 size(S,M,L) to choose, please choose carefully for your dog. 5.High Quality: Soft, durable and puncture resistant, safe and non-toxic material. Specifications: Main Material: Gel Color: blue Size: S: 34x4.5cm (36g)              M: 41x5.5cm (60g)          L: 60x5cm (90g) About cleaning: Wipe directly with a rag, or clean it with soft brush. Do not use corrosive cleaning fluids. It can be dried in the sun for 30-60 minutes, do not be too long to prevent the aging of the material. Package List: 1 x Pet Cooling Scarf