Fast Delivery: (Business day) 5 to 15 days Delivery to USA, CANDA, EU 5 to 25 days Delivery time to other countries. 【Adjustable Pounds】4 resistance bands,adjust the appropriate strength by adjusting the number of resistance bands according to your actual needs.Whether you are a beginner or an experienced person, you can easily get started. 【Full Body Workout】These resistance bands are very suitable for muscle training and fat burning. Helps you exercise your arms, chest, back and legs to strengthen your triceps, abdominal muscles and thighs. For those who want a curvy figure, these bands also help to create a vest line, thin arms and shape a curvy figure. 【Super Durability】These resistance bands are made of natural latex, which is elastic, durable and environmentally friendly, and is harmless to your health. The foam-coated handle is non-slip and sweat-absorbing, which can better protect your hands. Environmentally friendly NBR pedals, The stainless steel buckle is strong and durable, ensuring you receive safety training. And the door anchor is thick and soft, so it will not damage your door.