Material:Metal Steel
Fit for:Medium Large dogs
Feature:Safety and durable
Recommended to all people, who don't have enough strength to control their dog
Double chrome plated
It's very strong made by solid steel.
High rust resistance and high gloss.
Could be added or reduced some to fit your dog's size.
Collars are fully adjustable. Links can be added or removed as needed.
Size:

Small: Neck size: 0.12''x19.5"(3.0mm*50cm) Length
Medium: Neck size: 0.14''x21.5"(3.5mm*55cm) Length
Large: Neck size: 0.16''x23.5"(4.0mm*60cm) Length
Note: Please measure the size of your pet.it is very important.