Versatile: The Roller Is A Full Body Exercise. Apply To The Entire Core, As Well As The Chest, Back And Legs. The Most Flexible Design Of The Equipment. The Wheels Can Move Freely Without Worrying About Getting Stuck In Small Spaces On The Tiled Floor. 360 Degree Movement: With 4 Ab Wheels/Rollers; Ab Roller Can Strengthen Your Core And Body; Disc Edge Non-Slip Design, No Need To Worry About Accidental Disconnection During Use.Suitable For All People Who Like Sports, Without Having To Worry About Their Physical Condition And Age.Solid: The Diameter Of The Disc Is 17.8; The Surface Of The Foot And Hand Mold Is Large, And It Can Be Firmly Fixed In Place; The 4 Wheels Can Withstand The Force Evenly And Will Not Be Easily Tipped Over During Use.Simple Formation: The Push-Up Mode Mainly Burns Abdominal Fat And Exercises Chest Muscles Chest By Stretching The Waist. Stretching Back And Forth 10 Times / Group; 10-15 Groups Per Day; Easy To Get Abdominal Muscles. Lightweight And Portable: Size 7.01 * 7.01 * 1.57 Inches. Are Small Enough That You Can Pack Them Up And Take Them With You. Even If You Don'T Go To The Gym, You Can Still Exercise.