Come and see our amazing products. Stress reliever is made of polyurethane foam.These toys help promote a sense of calm, reduce stress or anxiety,while improving your concentration and stimulating your hand muscles.It is perfect for trade shows,expos,conferences and community events.100% guarantee for quality.The price includes the shipping cost to ca, QTY for 10000pcs and over by ocean. Pls confirm with us about the packing info, stock color and exact production time before placing your order.