Nobody said building muscle was easy, but it can be inexpensive with this Resistance Bands Set Bands come in a choice of two levels of resistance, 100LB or 150LB The bands are constructed from a strong latex and TPE material  These bands are a great way to add more upper full body resistence training to your workouts If you want to pull with less resistence then simply use fewer bands These are a great compliment to a yoga session with their focus on strength building   Buying options: 19.99 pounds instead of 49.99 pounds for 100LB - save 60% 21.99 pounds instead of 59.99 pounds for 150LB - save 63%