Football ball good for ground, artificial grass and firm ground. Hand stitched. Outer material is soft-touch TPU with EVA foam backing. That insures the durability and softness of the ball. The Dali II Ball is constructed with classical hand stitched technology with 5 ply thread that provides us with high quality stitching and strong bound. 4 ply poly-cotton lining system increases the strength, power & controal. Shinny surface combined with 32 panel contruction for optimum aerodynamic control. This ball retains its shape and weight in all weather condition for best performance. Upper: Soft Touch 0.2mm TPU with 1.8mm EVA foam. Linning: 4 Way advance balanced Lining System (65/35) Material: 20% TPU 35% EVA Foam 45% Poly Cotton Size: 5 / 4 / 3 Circumference: 68 - 70 cm / 63.5 - 66 cm / 57 - 59 cm. Weight: 410 - 450 grs / 410 - 390 grs / 280 - 320 grs. Pressure: 0.6 BAR - 0.8 BAR / 0,6 BAR - 0.8 BAR / 0,4 BAR - 0.6 BAR. Panel Qty: 32 PANEL. Bladder: Taiwan Butyl Bladder 80-90 gm + Hi-Tech Butyl Valve. Air-Lock System for longer period air retention.