The product is made of high-quality aluminum alloy, which is lightweight, waterproof, wear-resistant, high-strength, and durable. It can be used outdoors and don't worry about rain or water. Smooth and glossy finish, comfortable to hold and use. This S-shaped carabiner has two sliders with sliders to keep it in place, allowing you to clip valuables like keys to a cOhtea then the other cOhIt can attach to a backpack, belt loop, or bag. It is an excellent tool for hikers, campers, photographers, or anyone with a bag. The double speed carabiners are ideal for home, outdoor hiking, fishing, camping, bags, etc. Use them to attach sports bottles, backpacks, key chains, etc. Also ideal for hanging lights, potted plants, garage tools, and storage bins. A sufficient quantity can meet your different needs. Sturdy and durable aluminum alloy carabiner hooks, no sharp or jagged edges. Lightweight and easy to attach. The carabiner spring is good, not easy to loosen, not easy to break, fine