ABOUT TITANIUM The product is made from high quality Titanium (Grade 3), which is a rare metal with lustrous transition. Features: Lightweight and Strong, Rustproof, Non-toxic, Hypoallergenic, Corrosion Resistant, Durable.Function: Widely used by the aerospace industry due to its ability to withstand the harsh condition of outer space. Additionaly, military, medical and other industries benefit from it. WHAT YOU GET: 15 PCS Titanium Split Rings FEGVE After-sales Service Gift Box Packaged TITANIUM KEY RING Lead Free Colored Comes in 3 finishes: Silver, Black&Multicolor. A pop of color to brighten up your everyday key chains. Use Safely: The rings stay securely closed, needn't worry about your keys falling off and losing them with those rings.Wide Application: Not only suitable for organizing your keys, but also perfect for tags, office attachment and DIY accessories. Three Size Variations to Meet Your Needs 10mm / 0.39 inch - Outside Diameter: 10mm; Thickness: 1mm; Height: 2mm12mm / 0.47 inch - Outside Diameter: 12mm; Thickness: 1mm; Height: 2mm14mm / 0.55 inch - Outside Diameter: 14mm; Thickness: 1mm; Height: 2mm Why Titanium Alloy? Lightweight and strong - high strength-to-density ratio means it can be strong and lightweight at the same time.Corrosion resistant - highly resistant to corrosion even in sea water.Biocompatible - non-toxic and non-allergenic, and can even be used in biomedical implants.Durable - Ti Split Ring is made of Grade 3 Ti, which is significantly stronger than commercially pure titanium while having the same stiffness and thermal properties. MULTI-PURPOSE Split rings can also be added to different tools such as flashlights, portable power tools and other handheld electronic gear for ease of organization and hanging. PET TAG RINGS When it comes to durability and quality our titanium small key ring holds up to the most Dog ID Tags / Cat ID Tags. KEYCHAIN FRIENDLY Adding little weight to keychains. Easy and convenient to carry, organize your keys and decorate your gadgets.