Vvhome Single Row Bling Rhinestone Crystal Studded with Ramdom Cute Bell PU Collars for Small Dogs Cats It has 5 adjusting holes, please note below size and compare with it. Size XXS: Total length 1.4*28CM(0.55"*11"), adjustable length 18-24CM (7.1"*9.5") Size XS: Total length 1.4*37CM(0.55"*14.6"), adjustable length 27- 33CM(10.6"*13") You can see the lovely and fashionable style will make your little pet dog or cat looks more cute and beautiful. It will has tingling voice when pet is moving, very nice gift for your pet.