- Sturdy Design: The round foam roller has a firm, high density foam structure that provides extra support for all body types without deforming during stretching,Smooth; anti slip; lightweight can retain support 250 pounds and shape after heavy uses - Function: Yoga columns can help yoga practitioners improve the balance of the body and enhance the stability.Great for improving muscle mobility; flexibility for all sports enthusiasts; pilates; bodybuilding; running; weight training; yoga - Premium Material: Our yoga column roller is made of high density EPP, easy to clean and lightweight.