Heart-shaped PU Smile Stress Ball. Our PU core pressure balls are 1.57 x 1.50 x 1.22 inches in red, pink, purple and white. The material is environmentally friendly PU material, the product is solid. These foam stress balls have a vivid smile design to bring a smile to people, and the process of pinching can also exercise hand muscles, relieve anxiety, and make you fun and fun to play. These foam sports balls are made of high-quality materials, feel soft and comfortable, vivid and lovely shape, bright colors, provide a good game experience, suitable for people of all ages. It can bring you joy during your leisure time between work and study. You can also use it as a gift to express your love on special holidays. It can also print your own logo.