Molten V5M5000 Volleyball The best volleyball from the new V5M series in Molten's offering. FIVB Approved . Advanced technology allows for the creation of a super-soft, yet highly durable synthetic leather, giving the ball a unique bounce. A new panel layout, a honeycomb outer layer, and the new FliStaTech (Flight Stability Technology) have taken the volleyball game to a whole new level. A double-laminated butyl rubber bladder and internal nylon reinforcement increase the ball's durability and maintain proper air pressure. Constructed from 18 panels. Properties: Size 5, Circumference 65 – 67 cm, Weight 260 – 280 g Welded 18 panels. Honeycomb outer layer provides reliable grip and ball control. Material:* Thermoplastic polyurethane – 100%, The Official Ball in league competitions in Italy, Poland, France, Spain, and Australia, among others.