Nimble Joy Working Office Gift Stress Stress Pressure Reliever Vent Anti-stress Human Face Ball Toy White NI Style Anti-stress Face Balls Material: Polyurethane Resin Can be squeezed, squashed and squished for stress relief. Also good for hand injurys, use the head to help circulation in the hands and build up strength. Size: approx. 5.5 x 6.5 x 6.5 cm Note: If you want other style,please feel free to contact us:)