Please Note this item is NOT FOR CLIMBING but ideal for hanging keys, shopping bags, shoes, and other outdoor activities, such as camping, fishing, hiking, travelling, etc. Made of excellent aluminium alloy material, fashionable design, durability, and novelty. It is linked spring clip design. Big-size carabiners, made of a powerful aluminium alloy and flexible foam, guaranteeing safety on use. High-quality carabiners, equipped with spring-loaded gates that allow you to quickly and safely install in a wide range of fixed points.