This keychain is designed with rounded corners and smooth surface, the inner wall is smooth and does not hurt the belt when used. Locking buckle with self-pressure mechanical locking buckle, key ring buckle is not easy to fall out, applicable to a variety of pants, and jeans, shorts or suit pants are very with. This keychain has a swivel opening for easy hanging and can be quickly removed without removing the belt. TC4 titanium alloy material, ultra-light, sturdy, corrosion-resistant, not easy to rust, can be used as a present for family and friends. SHOP WITH CONFIDENCE: To provide you with the highest quality service, If you have any question, please contact us.We will provide after-sales service .