Select Thor Soccer Ball QUALITY MATERIAL: 1.0mm PU cover with pattern with a specially developed underlining and the zero-wing bladder HAND-SEWN CRAFTSMANSHIP: 32 hand-stitched panels for a straight ball flight and minimum water-absorption HIGH SCHOOL APPROVED: NFHS APPROVED in Size 5 CARE: This ball comes deflated. A ball pump is required to inflate the ball before use. Please note: As with all premium soccer balls, the ball should be topped off with air every few days for best results. WARRANTY: 2-year warranty