This simple fingertip silicone-made toy, push-pop bubble keychain relieves stress and anxiety, and it is lightweight and waterproof. Food-grade silicone material, is environmentally friendly and safe, easy to clean. Easy to use and addictive stress relief toys that you can easily put in your pocket and take with you. Simple and portable, you can have a happy game with friends or children anytime, anywhere, and enhance the relationship between both parties.