High-quality silicone, lightweight, safe for kids. A push pop bubble fidget sensory toy with 28 bubbles that can practice children's mathematical thinking, reasoning strategies, mental arithmetic, and logical thinking! Parents and children can use it as an anxiety relief bubble popper. Hot popits game for kids. The general pack is blank opp bag, The general pack is blank opp bag, and the price on the site is sticker logo on the opp bag and UV Imprinting on the bubble.