The Mikasa® Wave Water Polo Ball set a new standard for water polo ball innovation. This rubber water polo ball is FINA branded with the FINA stamp of approval. Mikasa has been the official water polo ball of choice since 1980 and play began using this ball in 2009.Approved by FINA - official game water polo ball for men and women.Top quality rubber cover with professionally buffed surface.Moulded Hairline Buff.Vertical lining in the seam lines.Nylon wound double laminated butyl bladder.Iconic wave design with highly visible colours.Weight: 400-450g.