Product Information (1) Made of natural latex material, odorless. (2) Can be used for multiple purposes such as correcting posture and strengthening muscles. (3) Lightweight and easy to carry, can be used anywhere. (4) Allows focused training on the areas you want to work on. (5) Can be used for beautiful legs, buttocks, and correcting pelvic misalignment. (6) Fewer risks of injury and accidents compared to a gym. 【Strength 5-Color Level Set】 Green: 600*50*0.35mm Weak 5lb Blue: 600*50*0.5mm Slightly Weak 7lb Yellow: 600*50*0.7mm Normal 10lb Red: 600*50*0.9mm Strong 15lb Black: 600*50*1.1mm Very Strong 20lb 【Product Contents】 1x Exercise Bands (5 pieces) 1x Manual 1x Storage Bag 【Notes and Maintenance】 The training set can be washed with water, soap, or hand soap, but it is not recommended to use warm water. Avoid contact with chemicals such as alcohol, gasoline, kerosene, and banana water. Store in a shaded place. Use within the load range.