JK Pet Collar Necklace Punk Rystal And Spike For Cat Dog Size S(12.2"*0.51") M(14.2*0.51") Material:PU, Rhinestone, alloy buckle Original brand, luxury style, the darling of fashion pioneer Good quality with fashion design,Please kindly check the neck size of your pet and choose the right size. size Slenght 12.2 inch width 0.51 inch adjustable size from 8.6 inch To 10.2 inch size Mlenght 14.2 inch width 0.51 inch adjustable size from 10.6 inch To 12.2 inch