These high-quality resistance bands measure 12" by 2" and are available in 5 different levels of resistance. These bands are ideal for both beginner and advanced workout enthusiasts. Our lighter bands are perfect for those starting out, while our medium, heavy, and extra heavy bands target intermediate and advanced strength training. These versatile bands can be seamlessly integrated into popular workout programs or used for general exercise, stretching, and power weight training. The included carry bag makes it convenient to take your bands on the go and continue your workout routine anywhere. While these bands are often used for sports and fitness, physical therapists also rely on them for rehabilitating patients with leg, knee, and back injuries. Additionally, women can use these bands post-pregnancy to maintain their physical fitness. Rest assured, our bands are thoroughly tested for quality and safety before being shipped to you. The instruction booklet features dozens of illustrated exercises for legs, arms, back, shoulders, ankles, hips, and stomach using our resistance bands