M SIZE: Chest 45-55cm(17-21in), neck 27-37cm(10.5-14.5in), adjustable size fit most Pets. Made of Black feLight cloth,complete interpretation of the mysterious and cool bats. Lightweight and had no sense of restraint for the cat or puppy. Great Halloween gift for your cat,Not just yourself, your cat needs Halloween too. Funny Bat Wings appearance, very cute and will win a lot of admiration,increasing festive atmosphere.Available in 3 sizes.