AOLOVE Fashion Rhinestones Diamante Flower Adjustable Pu Leather Pet Collars for Cats Puppy Small Dogs Medium size: 0.8"*16.5''(2.0cm*42cm), neck 11.8-15.3"(30-39cm) / Please check the pet neck size before you confirm the order Material: PU Leather + Alloy + Diamante 5 adjustment holes for adjustment Strong and durable high quality PU (Faux) leather,Nickel-plated hardware and heavy duty D-ring to help protect its neck Fashionable and personalized designed for your pet