Come and Check Our Promo Solutions.This pop keychain is made of silicone with a metal split ring attachment. It is designed with four bubbles on each side of the wrist strap. Press on the bubble, which makes a popping sound that relieves stress and anxiety. The keychain fits around your wrist to carry keys, luggage tags, school ID, gym pass, and so much more. Pls check inventory and detailed info with us before placing your orders.