CatYou 4-PCS Pet Small Bells for Collar, Pet Ornament, Bell Training Pendants Jewelry for Pet Cat Dog Necklace Collar Each Small Bell Measures 0.5" Diameter Perfectly proportioned to meet the needs of petite small pets Can be easily attached to collar, High quality bell iron material Excellent jingle sound, a great ornament for your pet Includes 4 set bells per pack, each pendant have 2 bells