5 different resistance levels: 5.5kg (Lime), 7.5kg (Green), 12.4kg (Orange), 14.9kg (Silver) and 22.4kg (Black)Designed to provide gentle muscle toningImproves muscle strength and endurancePowerTubes with heavy-duty metal carabinersCustom-built handlesSoft adjustable neoprene ankle strapsICT (Inner Cord Technology) prevents the tubes from extending past its maximum stretching capacityPremium latex tubing manufactured through a continuous layeringMulti Clip System to quickly add/subtract tensionPack IncludesExercise guideDrawstring training bag5 levels of resistance tubesPTP power handlesPTP ankle strapsPTP indoor/outdoor anchorsBooklet with over 100 gym and Pilates exercises + free online video access for motivation