JA-RU's Ultimate Glow in the Dark Squeeze Stress Balls are the coolest fidget toy to have. It is completely made of high quality and non toxic rubber material. Hypoallergenic and completely safe, it contains no BPA, phthalates or latex. Safe toys for your kids. Super soft and satisfying to squeeze. Great for kids and adults, especially those with ADHD, OCD, Autism or high anxiety. These squeeze toys are effective in promoting a feeling of calm and relaxation, reducing stress and anxiety, improving one's concentration and concentration, and you don't need to be afraid in the dark. An awesome hand grip strength exercise. Best fidget stress balls.