Stackable Resistance Bands: The stretch bands have 5 resistance levels: Yellow (10 lbs), Red (15 lbs), Blue (20 lbs), Green (25 lbs), Black (30 lbs). Stackable up to 100lb, which is a good training bands gift for woman and man. So easy to get started in home. , Better Exercise Choice: The stretching bands help to build your arms, chest, back, and legs, thus strengthening your triceps, abs, and thighs. It is effective at burning fat and increasing muscle strength. , Your Home Gym Equipment: Inconvenient to go out? No matter what your fitness level, you can choose the right resistance band for home training. Have a healthy body without buying any fitness equipment. , 100% Natural Material: Made of natural latex, these resistance bands set are elastic, durable, and eco-friendly, meanwhile harmless to your health. The foam-coated handles are anti-slip and sweat-wicking, protecting your hands better. , Package Included: Our fitness bands set comes with 5 exercise bands, 1 carry bag, 2 door anchor, 2 foam handles, and 2 ankle straps. If you have any problem about it, just feel free contact us to solve your problem.