NIVIA TRAINER Volleyball – The Ultimate Practice Partner. If you’re looking for a volleyball that can keep up with your training sessions the NIVIA TRAINER Volleyball is your go-to choice. Designed with a shock-absorbing EVA layer this ball is gentle on the hands yet tough enough for outdoor play. Whether you’re honing your skills or enjoying a casual game NIVIA TRAINER Volleyball's long-lasting rubber construction ensures durability at an unbeatable price!