High Quality Latex Resistance Tube: The fitness tubes are made of natural latex that is stackable, non-irritant and odor free, thereby being an excellent choice for your health, fitness and performance. Single Resistance Band: Length of 4ft. Door Anchor: 3-inch door anchor utilizes dense but soft foam, it can secure your bands at all points, even if there is a sizeable space at the top and bottom of the door. This feature greatly increases the number of exercises that you can perform. Cushioned Foam Handles:The handles are made of non-slip and environmental materials. Comfortable handles will definitely make you enjoy the resistance band exercise. Multi-functions: Perfect for physical therapy, exercise, weight loss, pilates, muscle toning, muscle strengthening, stretching, rehabilitation, and general health and fitness. resistance bands are great for home use, gym use, offices, and are ideal fortravel.