Zenzation Resistance Cord 6 Piece Kit with Studio-Grade resistance cords helps tone & strengthen your body through resistance training & movements. Use for rehabilitation & to prevent injury. Targets: Triceps, Biceps, Back, Thighs & Buttocks. Features patented adjustable cord length handle, 3 variable resistance strength 5ft latex cords, 18" protective polyster cord sleeve, workout chart and instructional dvd.