Everlast Under Door Trainer. Multi-function: Training for quads, abs, hamstrings & glutes. Adjustment: Adjustable polypropylene strap to support multiple workouts. Compact & portable: easy to carry. Comfortable: Comfortable foam padding. Material Composition: 41% Nitrile Butadiene Rubber,32%PVC , 21% PP, 6% Iron. Care instruction : Wipe down with damp cloth if needed. Do not use abrasive cleaners Warning : Misuse of this product may result in serious injury; Read user's manual prior to use and follow all warnings and instructions; Do not allow children on or around this product.; Maximum specified load: 40kg; For consumer use only. This trainer is suitable for training.