These boxes of Pro-Tec Y & I Strip Kinesiology Tape contain 10 pre-cut single I strips and 10 pre-cut Y strips you can use over sore muscles and soft tissue for pain relief. The tape sticks will enough to last for days and is made of water-resistant material, making it dependable in all conditions. The tape also stretches in all directions, ensuring that it never feels tight or like it's pulling on the skin during activity. Great for injury management, and the tape comes with application directions to ensure you get the most out of every strip!