DURABLE & RESILIENT - Durable TPE material guarantees a great elastic response and high resilience, so these resistance bands won't break or wear out easily, and will maintain the tension needed to get the most from your exercises MULTIFUNCTION - Excellent for strength training, physical therapy, rehabilitation, Pilates, and stretching. Add them to any strength routine to challenge your muscles, or use these exercise bands to assist in stretching for increased flexibility and range of motion. 3 RESISTANCE LEVELS - Includes 3 workout bands with color-coded resistance levels: Pink = Light, Purple = Medium, Blue = Heavy. Easily adapt resistance levels during your workout for various muscles, depending on their strength and flexibility. CONVENIENT - Easily folded the resistance bands together, great for travel, and recommended with a door anchor (NOT INCLUDED) for greater versatility in your workouts at home, in the park, at the studio, or on vacation. CUSTOMER SATISFACTION - I