＊There are two types of strength, and the strength varies depending on the color. Please refer to the photos for detailed strength information. ＊The resistance ranges from approximately 3g to approximately 18kg depending on the thickness. If you want to do muscle training at home, but don't have time to go to the gym, this allows you to easily train at home. Convenient and recommended. Detailed specifications: 1. Strength varies depending on the color (blue is the strongest / green is the weakest) ＊ Blue > Green 2. Size: The thicker it is, the greater the resistance. Blue: Length 600mm / Width 50mm / Thickness 0.5mm Green: Length 600mm / Width 50mm / Thickness 0.35mm ＊The length dimensions are the circumference size. Notes: ＊These are imported products, and we have selected high-quality items for import! We carefully inspect each one before shipping! Please refrain from purchasing if you are concerned about minor details or are looking for a product like those made in Japan. 2026-02-12-88