Dog collar. Heavy check chain. The welded links ensure maximum safety and reliability whilst walking your dog. Fabric: Chrome Plated Mild Steel. Size: Size 1 - 30cm, Size 2 - 35cm, Size 3 - 40cm, Size 4 - 45cm, Size 5 - 50cm, Size 6 - 55cm, Size 7 - 60cm, Size 8 - 65cm, Size 9 - 70cm, Size 10 - 75cm.