ProSource Therapy Flat Resistance Bands Set of 3 (6' each-Extra Long) for Stretching, Pilates, and Rehabilitation with Door Anchor MULTIFUNCTION - Excellent for strength training, physical therapy, rehabilitation, Pilates, and stretching. Add them to any strength routine to challenge your muscles, or use to assist in stretching for increased flexibility and range of motion DURABLE & RESILIENT - Durable rubber latex material guarantees a great elastic response and high resilience, so they won't break or wear out easily, and will maintain the tension needed to get the most from your exercises 3 RESISTANCE LEVELS - Includes 3 bands with color-coded resistance levels: Green = Light, Orange = Medium, Blue = Heavy. Easily adapt resistance levels during your workout for various muscles, depending on their strength and flexibility. CONVENIENT - Comes in a carrying bag that is great for travel, and a door anchor for greater versatility in your workouts at home, in the park, at the studio, or on vacation. An exercise guide assists you in how to use the bands and workout ideas ONE-SIZE-FITS-ALL - Each band measures 6-feet long, 6-inches wide - ideal for a variety of heights and uses. Simply tie the ends or wrap around your hands to temporarily shorten the band if you need a smaller size or want to increase resistance