4 Resistance Levels- Pink (light / 0.4mm); Blue (medium / 0.6mm); Purple (difficult / 0.8mm); Black (very hard / 1.0mm). This exercise bands resistance is great for beginners as well as more advanced exercisers to add intensity in basic moves or traditional moves. High-Quality Material- Made by 100% genuine, eco-friendly latex, the resistance bands is easy on the skin and has high elasticity for various workouts, like glutes and balance training, improves your core strength. Good for Rehabilitation- These resistance bands are ideal for yoga, pilates, stretching, cross-fit, squats, P90X, Zumba and other training programs. It can also be used for physical therapy, postpartum recovery, or to improve mobility and flexibility, such as recovering injured ankles, legs, and knees. Special Resistance Band Set- This set contains 1 hip band of 30 * 10cm and 3 elastic bands of 30 * 5cm with different levels of elasticity. Commits to help you achieve full body extension more effectively and improve exercise on legs, hips, waist, arms, back, etc. Package: 4x exercise bands (light / medium / difficult / very difficult), 1x drawstring bag, 1x instruction manual, 1x warranty certificate. Let Your Workouts Anywhere- Comes with a carry bag, you can easily pack them in your suitcase for travel and do exercises in the car or in your hotel room. Perfect for when you're short on time and don't have access to your usual equipment.