Chain Dog Cuban Luxury Necklace Gold Pet Collar Rhinestones Jewelry Accessories Type: Heavy Duty Stainless Steel Pet Dog Chain Collar for Medium Large DogsSize Total Length Width 40# 16''(40cm) 3/8''(1cm) 45# 18''(45cm) 3/8''(1cm) 50# 20''(50cm) 3/8''(1cm) 60# 24''(60cm) 3/8''(1cm)