Product Description Mikasa Sports USA proudly presents its greatest soccer R&D achievement, the Goal Master. 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. Specs: 2-year warranty, Size 5. MikasaHyde cover, For outdoor use Featuring the patented nylon wound MikasaHyde cover, the Mikasa FT5 Goal Master soccer ball will stand up against the most physical style of play. This outdoor ball also features a unique bladder design that makes it durable and able to retain air pressure more efficiently. Manufacturer Warranty 2 years