Product Description Material: SBR Size: 57 * 31 cm Buckle adjustment range: 70-160 cm Cell phone pocket can accept size: cell phone within 8 inches Colour: Black Quantity: 1 piece Package content: 1 piece * Running vest bag High quality for durable and long-lasting use. Comfortable safety vest, made of lightweight, breathable mesh fabric Customize the fit and size with the side closures. Highly reflective running vest with fully visibility. Perfect for running, cycling, jogging, biking, walking, any outdoor activity at night. Reflective Gear For High Visibility Running And Cycling