AOLOVE 2 Rows Crystal Diamante Studded Adjustable PU Leather Pet Collars for Cats Puppy Dogs Please check the size before you confirm the order / Medium: width 0.8"(2.0cm), neck 10.5-13"(27-33cm), total length 14.5"(37cm) 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