Cool Bullet Needle PU Pet Collar Rivet Spiked Studded Leather Dog Collar XS S M L Material:high quality PU Leather(IMPORTED) It is a good gift for your pets, and surely will make them comfortable and happier. Size:(L*W) XS: 11.8 Weight:XS =68g/S =83g/M =85g/L =105g It has more spiked studded and can keep shining for a long time.