Our soft ball will squeeze, stretch, pull, throw, bounce, and then immediately return to its original shape. When you press the bubble button, the bubble will burst slightly, which can relieve anxiety and vent stress. The anti-stress balls are highly tear-resistant and are designed to not break open. By using unique production methods, we have created a pliable, stretchable 100% tpr ball. Our decompression ball is made of environmentally friendly silicone, durable, reusable and clean. The production materials are safe and non-toxic, suitable for all kinds of people to play, and the diameter of 2. 75inch/7cm does not have to worry about children eating by mistake. This stretchy ball toy is very suitable for office, family, library, station, special education classroom, physiotherapy room, sensory room and travel, and can enjoy the fun of games anytime and anywhere.