Molded triangle pattern Strong and durable. Soft built, Size 5 Official Foot volley game ball Size: 68.0 - 70.0 cm Weight: 410 - 450 gr Constructed with a patented MikasaHyde cover and nylon-wound, the Goal Master brings a whole new feel to the game. The unique bladder design makes it durable and able to retain air pressure more efficiently. Size 5. MikasaHyde cover, For outdoor use.