Puppy-league&reg; Pu Leather Diamond Dog Collars Necklace Strap with Rhinestone Heart Pendant Material: 100% durable PU leather, design of flashing diamond collars with heart rhinestones pendants. Great gift to choice for your dog to walks on the beach, in dog parks, or out on neighborhood jaunts. 4 Sizes for chose: XS (30x1.5cm), S (37x1.5cm), M (40*2.0cm), L (51*2.5cm). Fashionable and personalized designed for small/medium pet puppy. Notice: This pet collars is made of hand-made, be careful ,don't be rain, don't be bitten or grazed by lovely pets.