Flat Resistance Band resistance bands are durable and built to last, They can be stretched repeatedly year after year and are made from natural latex material which is kind to the environment.each exercise band offers a different level of resistance, both for pull up training, and for adding resistances to bench press, squats and Olympic lifts. With resistance band training, every part of the exercise has resistance, resulting in better range of motion strength and the complete stimulation hence promoting muscle growth.