Sportsstuff Sportsstuff Justa Tube 40" 52-1140

Hypoallergenic black donut tube, with a shorter Schrader valve stem It’s made of isobutylene isoprene synthetic rubber, an upgrade from a standard tire tube. It’s more resistant to heat, abrasion, ozone and sunlight. Provides year round fun and is easy to store! Available in 32" and 40" sizes.