NIVIA SPIKESTER Volleyball – Take Your Game to the Next Level. The NIVIA SPIKESTER Volleyball is designed for players who want to elevate their game. Featuring a dotted PU surface for enhanced spin control, NIVIA SPIKESTER Volleyball ensures better accuracy and precision in every hit. NIVIA SPIKESTER Volleyballs Butyl Threadwound bladder provides superior air retention, making it the perfect companion for intense matches and long practice sessions.