... belt, with air pumpwaist support belt for men, back support belt lifting , back brace posture supportItem No.: WA-023HCThe waist belt with ... in the middle, it acts like air cushion between your lower back and the chair. It helps relieving muscular pains, waist fatigue ... gel pack providing comfortable hot/ cold therapy for your back. WA-0203HC Posture Back Support, air cushion waist belt, with air pump