QUALITY MATERIAL - These metal split rings are made of iron and surface plating, which are durable, lightweight, rust-proof and wear-resistant, anti-corrosion .ROUND FLAT DESIGN - The metal key ring is flat and remains securely closed, providing a secure fastening so you don''t have to worry about the key slipping off the key ring .PERFECT GIFTS - Keyring loops are small and easy to carry. It is suitable for car keys, homepage keys and card holders. It is ideal for DIY personalize keyrings for family, friends and children .MANY USES - This small metal split ring is easy to carry and suitable for small key tissues and handicrafts. It can be used to connect brackets, accessories, links and other jewellery accessories