Designed for Different Workouts --- After thousands of product tests, we designed the most suitable size (15 * 3.15 inches) for each resistance band. They are the perfect choice for improving your glutes, increasing muscle endurance, and shaping your legs. Suitable for Everyone --- 3 resistance bands with 3 levels for easy adjustment of workout intensity. Whether you are a seasoned athlete or a beginner, you can choose the right resistance band for your current fitness level. Anti-Slip/No Wrapping --- The Fitness Resistance Band is made with premium materials and sturdy stitching. It has excellent stretch, tear resistance, and durability. The 8cm wide band features a two-layer anti-slip design, effectively preventing curling and slipping. The best choice for sports and fitness. Versatile --- The perfect resistance band for fitness, body shaping, weight loss, strength training, and more. This elastic fabric fitness band works your body by strengthening your chest, back, shoulders, arms, and legs! Improve every aspect of your health. Super Portable --- These resistance bands are small and lightweight, easily fitting into the included storage bag. You can use them not only at home or in the gym, but also on vacation, business trips, and in any park. Get an effective full-body workout whenever and wherever you want! If you don't like the bands for any reason, please feel free to contact us for a better solution.