Size 5 Panel Configuration 24 Panel Tekno Design Series Hybrid Casing material Excellent quality PU SUEDE with flexibility. 1.3mm thickness. Applied on Interlock knitted backing. Fleece surface for excellent touch feel and softness. 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 cushion as padding with perforation/air channels. Bladder B30 butyl rubber bladder for brilliant air retention response. Cross/uniform thread winded for extra shape retention and control. Description The Indoor Tekno, as the name implies, is a specially designed soccer ball for indoor game/play. It's a competition/high training quality soccer ball.