[Durable and Quality Pull-up Bands]: LEEKEY Resistance bands are made of natural rubber material, which is strong wear resistance and can withstand extreme tensile force. You can train without any worries of tear or wear. [4 Resistance Bands Levels]: Pull up assist bands come in 4 resistance levels, and each color is different resistance and width for different purposes. [Good for Stretching and Resistance]: Our stretching bands work for anyone need stretching out those sore achy muscles after a workout and stiff ones for before the workout. You can use our resistance bands to stretch out before deadlifts and squats. [Multi-Functional Resistance Bands]: These workout bands can used for multiple exercises, such as strength training, assisted pull-ups, basketball tension training, warm-ups etc. [Your Personal Home Fitness Training]: You may add to your home gym. It will help assist in YOU pull-ups at home or use them for pull up and dip assist, stretching, and even adding some resistance to squats.