... air Gender: Unisex Style: Shoulder StrapsMaterial: 600D Polyester, inside with 210D polyester lining.other material are also available, such as ... two sides .Colors: white, black, blue, off-white, red, blue many colors for option / Customized color.Logo: screen printing, embrodiery or ... on or over USD10 000.00 )OEM and ODM are acceptable. Cheap 600D Polyester backpck with two mesh pockets on two sides ...