High-quality Materials: Made of food-grade high-quality silicone material, non-toxic painted and eco-friendly materials,BPA free h waterproof function which are safe for kids adults playing. Portable Toys: Portable size wristband design h 6 bubbles which can wear on and easy to press and relieve your stress when you need, the simulation plate can rotate fast,suitable for offices, churches, libraries, stations, special education classes, physiotherapy or educational purpose. Applicable for Various Person: Applicable for various people such as inattention, and autism which can well improve and assist daily relieve stress and irritability, and improve concentration while working or brain storming. Stress Relief Kits: Assist to relieve pressure any time when you need by pushing, pressing which also helpful for kids,toddlers, a great anti-anxiety tool, brain stimulation good educational toy. Specification: Material: Silicone Color Options: Black/Rainbow 1/Rainbow 2/Green/Gray/Purple/Red Net Weight: approx. 35g /0.07 lbs Package Includes: 1 Piece Stress Relief Wristband note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.