Size 4 Panel Configuration 32 Panel Conventional Design Series Hybrid Casing material Good quality PU with flexibility, abrasion & impact resistance.1mm thickness. Vimini surface for improved aerodynamics & good flight characteristics Lining High dense EPDM foam ensures soft feeling and consistency of rebound and power. Reinforced with high density polyseter canvas. Added high density EPDM foam cuhion as padding with perforation/air channels Bladder B30 butyl Rubber bladder for brilliant air retention and good response Description Mission is a competition/high training quality ball meant for junior players. It is International Match Ball (IMS) certified.