Come and see our amazing products. Our stress balls for adults are smooth to touch, extremely durable, and retain their shape as they are made with a tear-resistant gel core, waterproof Lycra, and sleek non-stick fabric. Every squeeze with our exercise ball will improve blood circulation and strengthen your grip, hands, fingers, and forearms. These stress toys have other benefits like reducing symptoms from carpal tunnel and arthritis and are great for rehabilitation and post-surgical recovery. Pls confirm with us about the packing info, stock color and exact production time before placing your order.