Mimibox Pet Puppy Polka Dot Leather Collar with Heart Pendant Dog Cat Collar Size S: Length:37cm/14.56" Width: 1.5cm/0.6" Neck size for 10"-13" Size M: Length:42cm/16.54" Width: 2cm/0.7" Neck size for 12"-15" Size L: Length:51cm/20.07" Width: 2.5cm/1" Neck size for 15"-18" made of leather, with a heart shape rhinestone pendant Fashionable and personalized designed for your pet