Wilson Super Soft Play Volleyball Red/White/Blue. New, improved Super soft play product logo. Machine-sewn soft construction with super-soft, synthetic EVA material. Sponge-backed cover for a super-soft feel. 18-Panel, machine-sewn construction for enhanced durability. Butyl rubber bladder for extended Air Retention. Sponge backed synthetic leather cover for a soft feel. 18-panel machine sewn construction and contains a butyl rubber bladder. Contains a butyl rubber bladder.