AOLOVE Fashion Checker Adjustable Pu Leather Pet Collars for Cats Puppy Dogs Size: Small:1.5cm*30cm / Medium:1.5cm*37cm / Large:2.0cm*42cm / X-Large:2.5cm*51cm Material: PU Leather + Alloy 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