Features: Lightweight and strong, rust-proof, non-toxic, hypoallergenic, corrosion-resistant, durable.
SAFE USE: The rings stay securely closed, no need to worry about your keys falling off and getting lost with these rings.
Function: Widely used by the aerospace industry due to its ability to withstand the harsh conditions of outer space. In addition, military, medical and other industries benefit from it.
Wide application: not only suitable for organizing your keys, but also perfect for home, office accessories and DIY accessories.
Hypoallergenic and Durable: Protect your skin from allergies when using, not easy to rust, strong enough to hold a lot of keys or cards, etc.