1pc Nordic Hamstring Curl Strap Adjustable Nordic Hamstring Curl Hamstring Curl Door Doorway Sports Crunch Adjustable Portable.With Suction Cup: The sit-up exercise bar uses pressure suction cups,which firmly adhere to the ground and are rock-solid. The training equipment can withstand up to 135KG tensile force.Efficient Slimming: The sit-up exercise bar will help you build a charming figure and say goodbye to the big belly easily.The soft sit-up bar avoids ankle injuries.Enlarged and Thickened: The rubber suction cup of the sit-up exercise bar has a larger and thicker area.The sit-up exercise bar is simple to install and easy to use.Easy to Fold: The sit-up exercise bar can be easily folded. Press down to release the pressure to complete the folding of the sit-up bar,allowing you to carry it easily afterward.Versatile Use: The sit-up bar is efficient exercise equipment that saves time and money. You can use the sit-up exercise bar in your office,bedroom, living room, park, and more.Specifications:Size:Normal size: about 25*15*21cm/9.8*5.9*8.3inFolding size: about 25*6*21cm/9.8*2.4*8.3inWeight:Normal weight: about 380gUpgradedweight: about 430gcolorgreyyellowpink.Material: natural rubber + iron + foamBearingweight: about 135kgPacking List:Sit-up Aid*1