Dogs Kingdom Shining Rhinestones Bones Design Gator Skin Soft Pu Leather Dog Collars Puppy Necklace Red Design:Rhinestones Bones pet collar,fashion and high quality XSOverall length 12"(30*1.5cm), will fit 8"-10"(20-26cm) neck SOverall length 14.5"(37*1.5cm), will fit 10"-13"(27-33cm) neck MOverall length 16.5"(42*2cm), will fit 12"-15"(29-38cm) neck Kindly please confirm the size for your pet before your order.