15" long loop is equivalent to 30" of flat band cut and tied in a knot. Loop is 3" wide. Convenient pre-formed loop is made of high quality latex exercise band. Loops arrive ready-to-use, you do not have to cut and tie it before performing exercises! 15" long loop is specially sized for lower body exercises. Dimensions: 15" x 0.3" x 3" Weight: 0.3 lbs