Badalink Dog Leash Harness Adjustable and Heavy Duty PU Leather Dog Training Walking Leash Collar with Shinny Sparkle Diamonds for Small Dog Width: 1.3 CM. Lenth of necklace: 23.5-28.5 CM. Lenth of chest circle: 31.5-36.5 CM. Made of premuim PU leather with shinny diamonds, cool and attractive. Strong and labor-saving, no-pull.