The NT Loop Mini was designed by world-famous coach, Nick Tumminello to provide more comfort, stability and durability than traditional latex minibands. Additionally, they are also reversible, washable, and convenient to travel with. All NT Loop Minis are custom designed to be 13” long by 2” wide. That's not all – this band is built to last! You'll never have to worry about it peeling, snapping, or losing its elasticity over time. No matter how many times you use it, it will still perform like brand new. That's because each band features our proprietary Dura-Stretch technology and has been independently tested for consistent performance over time. After you use it the first time, the NT Loop will earn a coveted spot in your gym bag forever. This combo pack contains 1 Burn band, 1 Burn+ band, and 1 BurnX band. Because better band training different levels of resistance, the NT Loop Mini comes in three levels. Each loop level features our proprietary Dura-Stretch technology to maintain consistent elasticity and offers a host of different exercise applications. You wouldn't use the same weight for deadlifts that you use for curls, right?