Dogs Kingdom 5 Rows Bling Rhinestone Dog Collars hign quality PU Leather Dog Collar Original brand, luxury style, Strong and durable high quality XS Size: Neck size:15-18 inches (38-46cm). 20 inches(51cm)total length. S Size: Neck size:17-20 inches(43-51cm),22 inches(56cm) total length. M Size: Neck size:19-22 inches (48-51cm), 24 inches (61cm)total length. L Size: Neck size:21-24 inches(53-61cm), 28 inches(66cm)total length.