Round chains, high quality chrome plated. or 18 carat gold plated.
The Width of the chain depends on the length:
L 30 cm - S 2,4 mm, L 40 cm - S 3,0 mm, L 50 cm - S 3,8 mm, L 60 cm - S 4,5 mm, L7 0 cm - S 5,5 mm,
Close this chain with the show-leash or use it as a choke.
Please note, that the length of the chain should be at least 10 cm longer than the necksize of the dog.