Hello dear customer.thank you for your purchase.If you encounter product problems or operational problems and other problems, you can contact our customer service immediately, and we will solve the problem for you within 24 hours.Please be sure to contact our customer service.I wish you a happy life! ! ! Product Feature 💝 Key Ring Set: 3 different sizes, 50 of each size, to meet your diversified needs. 😍 Sturdy: These key rings are made of stainless steel, strong, light, durable and not easy to rust. 👋 Durable and Reliable: These key rings close very tightly, your keys and key chain accessories will stay firmly in the key ring, and you don’t need to worry about the key slipping off the key ring. 👏 Flat Key Ring: The key ring is flat and keeps firmly closed, providing a firm fastening without worrying about your keys being scattered 👍 Excellent Connection Accessories: These keychains are often used in many places in daily life. The round flat split ring is good for connecting buckles, pendants, chain links and other accessories, such as organizing house/office keys, car keys, key tags, Dog tags, crafting items, etc., easy to carry. 💝 Wide Range of Uses: These silver keychains are suitable for storing your house keys, car keys, hanging cards, crafting projects, etc. Product Specification Type30/25/20mm Flat Key RingQuantity100/50MaterialStainless SteelColorPolished Natural ColorStyleFlat CircleSizeOuter Diameter 20mm (0.79in)/Outer Diameter 25mm (0.98in)/Outer Diameter 30mm (1.18in)ApplicationStoring your house keys, car keys, hanging cards, crafting projects, etc. 🎁 100/50 x Key Ring(You Can Choose Different Sizes)