Dogs Kingdom Cozy Fancy Bowknot Pearl Rhinestone Cat Bell Collar Lace Dog Pet Necklace adjustable size and luxury round crystal beads decoration,bronze plated strong Buckle and D ring S: 11.8" x 0.51"(30*1.3 cm),Overall length 12", will fit 8"-10"(20-26cm) neck M: 14.56" x 0.51"(37*1.3cm),Overall length 14.5", will fit 10"-13"(27-33cm) neck Please double check the size to choose the correct size Shipping: Usually 10-20 days to delivery.(Tracked by USPS)