Rocktape39s big daddy roll is twice as wide as the standard roll designed for unique taping demands such as the lower back or quadricep what is rocktape rocktape was created for the heat of competition rocktape knew first hand that medical tape would fail under extreme conditions so we developed a stronger stretchier and stickier kinesiology tape kinesiology tape is made of tightly woven elasticated cotton fibres the glue on the tape is acrylic highly durable and waterproof so tape