EXTRA-DURABLE COVER: Great club match and practice ball with durable cover designed for synthetic turf fields PREMIUM QUALITY DUAL-BONDED SOCCER BALL: The NEW VIKING DB V20 with dual-bonded panels is machine-stitched and seam-sealed with glue for less water uptake EXCEPTIONAL FEEL: PU top film with high quality foam lamination for a fast paced ball and a lively bounce OPTIMAL AIR RETENTION: SR bladder is used to keep a precise weight and optimal air retention NFHS(National Federation of High Schools) Approved ----- Please note: Ball ships deflated. Please note: As with all premium soccer balls, ball should be topped off with air every few days for best results.