Dogs Kingdom Crystal Rhinestone Necklace Bling Pet Collars For Small Pets Cats Collar Beautiful rhinestones with diamond crown charm XS: 11.8 x 0.59" / 30 x 1.5 cm Adjustable: 7.87-10.23" / 20-26 cm S: 14.56 x 0.59" / 37 x 1.5 cm Adjustable: 10.62-12.99" / 27-33 cm M: 16.53 x 0.78" / 42 x 2.0 cm Adjustable: 11.41-14.96" / 29-38 cm Shipping:10-20 days to arrive,Please double check the sizes of each item