Vvhome Double Layer Leather 5 Rows Bling Rhinestone Crystal Studded Dog Collar Size XXS: Total Length 5*45CM, adjustable length 33-41CM Size XS: Total Length 5*51CM, adjustable length 38-46CM Size S: Total Length 5*56CM, adjustable length 43-51CM Size M: Total Length 5*61CM, adjustable length 48-56CM Size L: Total Length 5*66CM, adjustable length 53-61CM