Material: Made of waterproof polyester fiber, lightweight and strong. The black polyester cloth fixed on the back is dirty and also plays a fashion sense brought by color contrast. The woven belt is durable and not easy to fall off. Drawstring design: open and close are very convenient, can be very good to take the internal items, do not need to worry about losing items, very convenient, but also can adjust the length of the shoulder strap, just tie a knot under the rope. Dimensions: It is 42 cm (16 in) long and 36 cm (14 in) wide. Best gift: It is durable and lightweight, small folded up does not occupy a position, travel convenient and practical, gift friends and relatives are a good gift. Application scenario: Enough to hold a pair of shoes, bottles, basketballs, an umbrella, several books or clothes, very suitable for sports, fitness, yoga, travel, etc.