Made of self-cooling fabric material, which is thin, lightweight, and breathable for dog's comfortability and flexibility. It's recommended to be used in hot summer, easy to wear and convenient to store. Perfect for many occasions, walking outdoor, beach game, sleep, and daily wear. Machine washable and lay flat to dry

Sizes:

• XSmall: Neck-10.5"/Chest-15"/Length-10.5"
• Small: Neck-12"/Chest-17"/Length-12"
• Medium: Neck-14"/Chest-19"/Length-13"