Puppy-league&reg; Pu Leather Smooth Surface Single Rows Bullet Nail Studded Dog Collars Chain for Pet Dogs Chihuahua Material: 100% High quality PU Leather. Size(length * width): XS (1.5*30cm), S (1.5*37cm), M (2.0*42cm), L (2.5*51cm), soft and eco-friendly. Fashionable and personalized designed for your pet puppy. Quality Guarantee, Strong, durable, pliable, comfortable dog collar. This pet collars is made of hand-made, be careful ,don't be rain, don't be bitten or grazed by lovely pets.