High Quality Material The material of the air roller is a high-quality PVC tarpaulin, with better air-tightness and durability since the reinforcement material is all seams. It's extremely safe when you use it because this tumble track is anti-leakage and it has no smell because of high-grade material. Professional Gymnastics Roller Compared with other exercising equipment, the gymnastics air roller can extend the polishing time and reduce the risk of injury to protect all sports enthusiasts and increases the repetitive frequency. Our gymnastics barrel is soft enough to allow you to complete many difficult gymnastics skills, such as tumbling moves, front handsprings, back handsprings, leaps, cartwheels, oversplits, and vaulting. Air Barrel Roller Easy to Use The inflatable air roller mats can be folded and expanded quickly, only take Less than 1 minute to inflate or deflate the gymnastics. No noise during training.