Resistance bands They take up virtually no space and are extremely portable. Plus they are so much fun to work with. They not only do a terrific job at toning, but help me in my post workout with stretched too. I always throw a few in my travel bag when traveling for a conference or show and they come in cool colors that you can mix and match. Plus you don’t need to travel to enjoy these, they also work extremely well when you need a break from your desk work. Learn more about them here.