Gilbert Helix Match Netball The Helix match ball is manufactured using three dimensional moulding, which provides exceptional roundness. Embossed, traditional seam lines and quality blended rubber compound, give excellent grip properties with balanced durability. The Helix Match Ball is fitted with a rubber bladder for improved air retention. Product Features: For Club use on any surface Match/training ball. Quality blended rubber surface. Nylon wound construction. Duragrip pimple configuration. Rubber bladder. Playing Level : County