2-way type that can be used as a Tasi or a belt. The length can be adjusted according to the season, outfit, and body shape. The elastic rubber fits easily to the body, so it is comfortable to wear and does not restrict movement. Lightweight and easy to adjust to fit.The shortest length is approximately 26.0 inches (66 cm), and the longest length is 49.2 inches (12 Storage bag allows for compact storage when not in use.It can be easily removed and used when needed. It is lightweight and convenient to carry, but it does not take up much space, so you can always keep it in your front door or in your car. [Specifications] Size: Length: Approx. 49.2 inches (125 cm), Width: Approx. 2.0 inches (5 cm), Reflective Strip Width: Approx. 0.4 inches (1 cm); Weight: Approx. 2.5 oz (70 g); Material: Buckle: Plastic, Belt part: Rubber, Can be used with both shoulder straps (Taski) and waist belts.