Materials: Our Sit-Up Bar Is Made Of High Quality Materials, Soft And Thick Foam Handles Are Comfortable Against Your Feet And Prevent Chafing. Adjustable Height Adapts To Your Different NeedsMulti-Function: Can Be Used To Do Push-Ups And Ab Exercises?: Push-Ups, Sit-Ups, Rocker Arms, Sports Arm Muscle/Abdominal MusclesPortable: A Small Size Surface, The Fitness Machine Is Compact And Very Convenient For Storage And Transport Wherever You Go. Suitable For Men And WomenSafety: After Increasing The Suction Force, It Does Not Loosen, It Is Firm And Reliable, And Has Strong Adsorption Capacity, Healthy And Comfortable. Add Foam Material To Make The Device Soft And Comfortable And Protect The Instep From Pain.Tips: Please Make Sure Your Order Is From, Because We Don'T Authorize Any Other Sellers. If You Receive Other Counterfeit Products Which Are Not Sold By , We Will Not Be Responsible For That. We Suggest You Contact Amazon To Protect Consumer Legal Rights.