Zinc alloy (with anodized surface). Carabiner clip + Key ring
The rings are plain round steel and very strong. Never rust; even if putting it in the water or saline water. The rings are split in the middle. so you can thread keys and stuff onto them
Good for car keys, home keys, card holder. Perfect Gifts for Friends and Families
It can also be used to attach temporary tags to dog collars whilst walking them