The perfect stretch is made of a durable webbing that can used for pre and post workout. 6 Fixed Loops allow for deep, gradual stretching with greater safety and effectiveness Simple, no-hardware loop design that is extra durable 42 inches of supple yet durable 1 inch wide polypropylene fabric which has a higher stretch than nylon Great for Muscle Toning, Flexibility Training and Solo Stretching. Featured Exercise Insert Included