Silicone Made in the USA and Imported clasp closure Hand Wash Signature Locking Clasp - Our patented clasp was designed so we could swap our keys in and out securely, and without breaking a nail. (epic win!) To open the signature locking clasp, press down on the flat part of the clasp with your thumb. Once it’s open, you can add on your keys, a Hands-Free Tool, a wallet and more. To secure your things, pull the lever up until it snaps into place. Reinforced Inner Core - The rigid interior core helps the Big O maintain its shape and long-lasting durability. The non-bending, anti-squish design means it can withstand everything you can. Waterproof Silicone - The Silicone Big O can be washed with soap and water for a germ-busting, instant clean feeling. Oventure The Original Bracelet Keychain Silicone Big O Key Ring Confetti Collection - BVVU2UQWE