Body Sport Exercise Band, 50 Yd Roll. Durable product and perfect for fitness training exercises. Resistance bands, also known as exercise bands, fitness tubes, and resistance cords, are a great way to add variety to your strength training routine. Our resistance bands are made from high quality, advanced materials to ensure maximum life. Each resistance band set comes with comfortable handles. Resistance bands are an excellent alternative to free weights, workout machines, and traditional body weight exercises. Athletes, trainers, coaches and fitness enthusiasts use our resistance bands to aid with rehabilitative exercises, fat loss, and building muscle.