Ball is stingless and contains latex.The Sportime VB-Trainer Elite is 40 percent lighter and 25 percent larger, allowing for an easier transition from a VB-Trainer to a regulation-weight ball. Traditional size trainer features specially fabricated Cordley synthetic leather covers and free-floating polyurethane bladders.
The outside fabric wrap is treated with highly oil and heat resistant, engineered synthetic rubber, specifically compounded for superior wear resistance, proven through thousands of hours of customer use to be durable and dependable. The helically wound tensile cords are specially manufactured with twisted, heat and chemically set, polyester material.