Versatile exercise tools with detailed instructions. Studies show these bands build strength, improve flexibility, and boost recovery. Now, you can harness their lightweight, portable power for yourself. Inside, find the expert instructions you need to build your healthiest, strongest body yet. Not made with rubber latex. Perfect for those with latex allergies or sensitives. Flexibility: great for stretching and resistive movements to increase range of motion. Strength: proven as effective as dumbbells and weight machines for increasing strength. Includes 1 blue, 1 black and 1 silver TheraBand resistant band.