The multi-resistance training kit includes 4 tube bands and 4 loop bands (also known as rubber therapy bands). the training potential is endless with exercises made to target the biceps, triceps, chest, upper/lower back, abs/core, and legs. the four professionally made rubber tube bands, which come in different colors, can be used singly or in any combination to a maximum equivalent weight of 100 pounds. additionally, you receive 4 resistance loop bands that you can combine to achieve the perfect resistance. enhance your overall health and wellness while relaxing in the comfort of your own home or by setting up a home gym, which is now a possibility.