Material: Plastic 💙Non-toxic and harmless, 100 balls non of phthalates; non of BPA; non of lead and non-PVC plastics. CPSC Test Report recommended Age:0+ ♡The the longest side of each star and heart ball is 2.55 inches ( 6.5cm）,the ball is 2.2inches (5.5cm), which is very suitable for children. Bright colors fascinate children, play, count and shape games. Plastic balls can improve children's sensory and coordination skills. ❤It is very suitable for filling any ball pit, play tent, play room, baby swimming pool, play fence and bounce room. Ideal for baby or toddler ball pits, children’s swimming pools, indoor fences and parties, baby bath toys. The ball has no rough edges to protect those little fingers. Easy to keep clean, looks fresh and interesting. ♡The rainbow color combinations, colorful colors for children at first sight. This color combination will be ideal for wedding decoration or photo background. Fall-resistant and inflatable plastic balls can survive any child abuse! Easy to keep clean, looks fresh and interesting. ball pit balls