Outdoor Volleyballs by YANYODO. Details:Why choose the YANYODO Soft Volleyball? YANYODO has always been committed to providing consumers with fashionable, elastic volleyball with a comfortable touch. Every piece of material is carefully selected, and every training ball has passed multiple testing to ensure the durability. Standard Size This volleyball has a standard size, which is about 8.2 inches in diameter. The weight is only 9.8 oz, which is roughly equivalent to the weight of only 5 eggs, making it easier to control the training ball. High Elasticity The liner is made of imported rubber from Southeast Asia. After strict processing, the volleyball features high elasticity, high air tightness, excellent heat resistance, aging resistance and deformation. Suitable for This lightweight training volleyball has soft touch, that is ideal for beginners, student training, middle-aged sports and general competitions. You can effectively releases stress while exercising. Tips 1.