This product is very simple and pure. Very sturdy and wear-resistant. Mountaineering buckle spring buckle design, very easy to operate. Do your best to make sure you use this product safely. It uses rounded corners and blunt curves compared to keychains with sharp corners. You can use this keychain in any environment and it will not hurt you. The keychain consists of three parts: the ring, the spring and the hiking buckle. They are connected by a fixed spring, so they are very strong and do not consider the possibility that they will fall off.