Resistance bands are made of natural latex material , which is strong wear resistance and can withstand extreme tensile force. You can train without any worries of tear or wear. Our resistance bands work for anyone need stretching out those sore achy muscles after a workout and stiff ones for before the workout. You can use them to stretch out before deadlifts and squats. 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.