Premium Package: WIKDAY professional resistance loop bands includes 5pcs different levels , they are all 12in length and 5in width, but different thickness. According to your training needs at different stages, you can match the exercise bands with the appropriate resistance level, So Whether you are a fitness beginner, or a exercise warrior, WIKDAY workout bands will be your perfect choice | Perfect for Any Workout: All fitness programs are inseparable from resistance bands, the stretch bands can be used for workout, stretching, strength training, rehabilitation and more. We will provide you with an instruction manual with a large number of different illustrated exercises. Even if you are a exercise beginner, you can also exercise according to the movements. Now enjoy a workout with the WIKDAY resistance band set | Solid and Hard-wearing: Made of the high quality natural rubber, bands for working out will maintain their resistance for a long time, extreme stretching, not afraid of high-intensity pulling. Please do not expose to the sun directly, will affect the service life of the product | Multifunctional Workout Bands: For fitness and exercise enthusiasts, workout bands are the best auxiliary exercise product, and just as importantly, physical therapists are very fond of using physical therapy bands as an aid in the rehabilitation of their patients. It can be used for back, arms, legs, buttocks, knees, shoulders, ankles, stomach etc., not only for people who are injured, but also for women to maintain a perfect shape | Anywhere to Use: WIKDAY provide carry bags, the most important is mini loop bands are light weight and takes up little space, you can exercise at any time and at home, gym, office or even on the road