SKL PU Leather Rhinestone Pet Collar with Bell for Cats or Small Dogs Bell: diameter: 1.18" Bell is made of alloy which is lightweight Collar is made of PU leather and Suede with rhinestone Collar XXS: 9.84"(L) x 0.39"(W), adjustable from 6.69"-8.66" Collar XS: 11.81"(L) x 0.39"(W), adjustable from 8.46"-10.83"