Made of nylon material, it is durable, lightweight and waterproof. Nylon material is a synthetic or man-made fiber with good strength and wear resistance. In addition, it is equipped with an adjustable shoulder strap that can adjust the length according to individual needs, making the bag more fit to the body and improve the comfort of carrying. We can customize it according to your preferences. 1location includes the shipping cost to US. Orders of 1,000 pieces or greater are eligible for sea shipping. 100% guarantee for quality. Rush Service.