The Mikasa VT1000W volleyball is designed for heavy training and perfecting your skills. As a weighted version of our popular V300W, it comes in three available options: 370g, 500g, and 1000g. This size 5 ball boasts a Nylon wound centre, double cushion construction, dimple surface, composite cover, and laminated 8 panel design. The miniaturized self-sealing valve provides added convenience and durability.