FIFA Official Pro Quality Match Football - Size 4 White/Black/Red 420 - 445gmsTechnical Specification: FIFA Quality Pro ball.  8 Panel design FIFA Quality Pro  Hybrid construction Anli 1.20 Quick Silver PU outer with Mars embossing. High rebound 2mm EVA plus polyester and 4mm EVA foam linings.  HR wound bladder with high rebound properties & polyester latex cemented winding. Weight: 420 - 445gms. The Nueno has passed rigorous testing to FIFA Quality Pro standard for: Circumference to check to ball is the perfect size Sphericity to check the ball is perfectly round Rebound properties at different temperatures so the ball remains optimum in any environment Ball weight between tight parameters Loss of pressure so the ball loses very little air over a long period of time Water absorption so the ball remains playable even in the wettest conditions * PLEASE NOTE SIZE 4 DOES NOT HAVE 'FIFA QUALITY PRO' STAMPAlias ID - dr00515