Come and see our amazing products. This keychain is made of silicone and looped together with a sturdy clip and a metal ring. Which is soft, flexiable, and strtchy. The ring can be replaced by lobster key or many other attachments. Featuring inspirational design, you can engraved with some positive messages or phrases, which will effectively arouse your self-confidence and enthusiasm.One size fits most people. Pls confirm further with us if any query about packing info, inventory status and time schedule.