The CORTEX Ab Roller fits all fitness levels, and is highly recommended for those looking to incorporate a dynamic and high-intensity abdominal and core workout into their workout routine. Feel the intensity through your upper & lower abs, lower back and obliques.GeneralHigh Grade TPE MaterialErgonomic Rubber Hand GripsKnee Pad IncludedDimensions and WeightNet Weight: 0.5kgWarranty: 12 Months Parts replacement warranty