1. This multi-functional elastic rope is your best choice.It has the same training methods as dumbbells and is very portable, either in place or fixed to the door.It’s powerful enough to stimulate your muscles. 2.There are five different sizes of tension rope, which will produce a total of 100 pounds of tension. You can also adjust it according to your requirements. Different colors of tension rope will have different pounds, including 30 pounds for black, 25 pounds for blue, 20 pounds for green, 15 pounds for red, and 10 pounds for yellow 3. High strength metal hook, safe and stable, good load-bearing capacity, high quality foam handle, anti-skid, sweat absorption, easy to clean 4. This product is equipped with foot ring, door buckle, handle and storage bag, which can carry out various exercise postures and achieve different exercise results 5. Use stretch rope to train your muscles, so that the muscles are always in a state of tension and exertion, weight loss, fitness, fitness, the best choice 6.THE COMPLETE GYM IN A BAG: The whole package can be easily stored away without taking up much space (storage bag included); enables you to exercise anytime, anywhere including at home, in the gym, on a business trip, or while travelling.