Stress ball toy are designed to increase people's hand strength and flexibility. Squeeze it by your hand and release, it will come back to the original shape soon. It also can relax yourself when you are stressed at work. Qimeng Toys premium stress ball, exclusive hand exerciser stress balls are made from premium-quality materials that can endure any abuses – even from a 6-year old! We provide quality services to all clients whether they are looking for OEM orders or their own product-lines with confidential designs.