If you want something that will last for an entire week, through multiple runs, daily showers, in the humidity, cold, or in the pool then KT Tape Pro is just what the trainer ordered. KT Tape Pro is performance engineered to work in the harshest environments. It‰۪s the world‰۪s only 100% synthetic kinesiology tape, re-engineered with 300% stronger adhesive, it‰۪s 100% waterproof and it lasts 2-3x longer. So go ahead- play harder. Ultralite elastic core, 4x stronger than cotton. 4-7 days.|Latex free for sensitive skin.|Includes step by step instructions & comes in travel case.|Roll Dimensions: 16 feet of 2" x 10" strips. 20 strips in each.|Un-Cut version is the same KT Tape in a cut-to-size roll.