Our company specializes in producing various series of stainless steel products, our own factory. We offer stainless steel products which ensures durability, corrosion resistance and high load ratings, perfect for outdoor use. Spring Hook, Swivel Hook, Quick Link, Towing Chain, Chain, Safety Rope, Rope Buckle, Eye Bolt, Key Hook & Ring, D-ring Buckle, Fishing Pliers, Shoulder Eye Bolt, etc. We have carefully checked all products before shipping. We are happy to provide service, please feel free to contact us at any time. Why others choose our O Rings? ✔ These O Rings are made of solid zinc alloy with smooth surface, durable and solid for long time use. ✔ Smooth surface will not scratch straps and belts easily. ✔ Decorations or replacement parts on belts, handbags, purses, backpacks, shoulder straps, dog leashes, clothes, plant hangers, making dream catchers, hanging crafts and more. ✔ 4 sizes and 3 pieces of metal O Rings to meet your different needs. Product Specifications: Material: Zinc Alloy Quantity: 16/24/32pcs Size: Outer Diameter x Inner Diameter x Thickness Φ20mm: 0.79×0.51×0.16inch Φ25mm: 0.96×0.67×0.16inch Φ28mm: 1.12×0.79×0.16inch Φ35mm: 1.38×1.18×0.2inch We suggest you buy size Φ28mm/Φ35mm, if you want bigger rings. 【Applications】These rings can be used to quickly classify small items such as delicate necklaces, bracelets, anklets, key ring, pendant chain, handbag, backpack, water bottle, camera strap, hanging plants, belt, wallet, jewelry, crafts, etc. What you get: Φ20/Φ25/Φ28/Φ35mm 16/24/32pcs O-rings (the size and quantity you choose)