Develop muscle tone and strength with the Yellow, 70-lb. GoFit Pro-Grade Power Resistance Tube with Handles. This ultra-portable training solution equips you with a wide variety of total-body exercises at home or on the go. The included GoFit Door Anchor is a key and versatile accessory, adding multiple exercise options to your Power Tube workout. * Before beginning any weight loss or exercise program, you should consult with your physician.