The Pop n Play Silicone Popper is a stress reliever, fidget toy, and even makes a fun game! It's made of silicone so it is soft, flexible and easy to wash. Press the bubbles down and hear a slight popping sound. If you're a bubble wrap popper - this is the item for you! The carabiner allows you to hook it to your bag or keys. Fun for all ages. Complies with Prop 65. 4.8" L x 5.7" W x 0.6" H