A. Ultra Strong Dog Collar: Made of stainless steel metal, and designed to resist rust and tarnish for extended use. If your dog frequently chews through or breaks collars, this option may help. The chain has undergone laboratory testing for strength. B. Choker Collar Size: This collar has a fixed size due to its snap design. It is recommended to measure your dog's neck length before ordering. Size details: 14 inches (recommended for dog necks of 10 inches); 18 inches (45.7 cm), suitable for a neck circumference of 14 inches (35.5 cm); 20 inches (50.8 cm), suitable for 16 inches (40.6 cm); 22 inches (55.9 cm), suitable for 18 inches (45.7 cm); 24 inches (60.1 cm), suitable for 20 inches (50.8 cm); 26 inches (66 cm), suitable for 22 inches (55.9 cm); 28 inches (71.1 cm), suitable for a neck circumference of 24 inches (60.1 cm); 30 inches (76.2 cm), suitable for 26 inches (66 cm). C. Unique Design: Gold Cuban chain dog collar with a Hip Hop Style. When your dog wears this collar, it may give a cool and distinct appearance. It aims to be both comfortable and stylish, offering a fashionable option for your pet. D. Comfortable and Durable: This training slip collar, made of stainless steel, is designed to minimize skin irritation, with a smooth chain intended to keep your dog comfortable. Material: Stainless steel; Weight: 150 grams; Color options: Gold, Silver, Gold and Silver, Black. Includes: 1 x Dog Collar Chain.