Pu Crocodile Grain Imitation Leather Skull Spiked Black Leather Dog Pup Pet Collar Punk Style Spiked Pu Leather Pet Collar X-Small:Total length:1.97*20.08 INCH/5*51CM Small:Total length:1.97*22.05 INCH/5*56CM Medium:Total length:1.97*24.16 INCH/5*61CM Large:Total length:1.97*25.98 INCH/5*66cm