Come and see our amazing products. The Alien promotional stress balls is made of PU material. It can be used as a ventilation tool to decompress popular educational toys of all ages. Rolling and massaging the squeeze ball can also alleviate the stress and anxiety caused by long hours of work or study. Pressure balls can be used to treat people who recover from an arm or hand injury. It can be printed on your product and many people know your logo. Ideal for promotional gifts and giveaways. with this great product! Pls confirm with us about the packing info, stock color and exact production time before placing your order.