High end exercise bands. Our 12″ by 2″ heavy duty loop resistance bands come in 5 varying resistance levels. This makes them perfect whether you are just starting to workout or a seasoned workout warrior.Our extra light and light bands are great for beginners, while our medium, heavy and extra heavy exercise bands are targeted for more intermediate and advanced strength training. The included carry bag makes it easy to take your bands with you and do any workout away from home or your home gym.