Mondo toys; - beach volley training ball - size 5 volleyball - 270 g - white / red / blue color - 13135 100% PVC cover - size 5 extra soft cover official volley training emblem on the cover of the ball; material composition inner tube in synthetic rubber. / butyl valve material weight: 270 10 g - inflation pressure 0, 4 - 0, 6 bar - moisten the needle before inflation.