Namsan Puppy Dog Pet Doggie Cats One Row Spiked Leather Collars Necklaces (black,brown,pink,red) &(XS ,Small, Medium, Large) Neck Size:S 10.6--13" (27--33 cm),Real Leather material,soft and not stiff Adjustable, fits for most dogs and small cats ,Easy to wear and remove Could be as a decoration, let your pets more attractive 4 colors available:black, brown, pink, red