Perfect for schools, Clubs and Teams. If a ball gets a puncture simply insert the syringe and squirt in the Ball Doctor resin. Shake the ball for a few seconds and pump the ball back up and then bounce until you’re sure the resin has filled the puncture. A quick and easy fix! REPAIRS UP TO 30 BALLS! All orders over £50 will be delivered FREE OF CHARGE. Orders under £50 will be incur a £3.50 delivery charge.