These squishy balls are made of beautiful PVC beads. <br> The big PVC beads give us better sensory and squeeze effect. <br>The solid outer shell can withstand our crazy squeeze and own longer use time, don't worry about quick damage.<br><b>THE KIDS AND ADULTS CAN BOTH PLAY THEM!</b> <br>Stress relief ball can train our attention, help us to keep calm, reduce our anxiety and stress. <br> An ideal choice for the classroom, home or office.<br>Recommended for ages 3+ | Phthalates, lead, BPA, and heavy metal-free! | Tested for compliance with the CPSIA and ASTM F963-11 Toy Safety Standards <br><b>NOTICE</b> <br>This toy is a consumable, Its lifetime is determined by the squeezing way of everyone, but we strive to make the toy more durable and stronger, let them have longer use time. <br>Please tell the little kids these toys can't be eaten! <br>Please do not use pointed tools to stab the stress ball, such as knives, fingernails and so on.<br><br>CHOKING HAZARD—Small parts. Not for children under 3 yrs.