The surface of the fabric is water-repellent, oil-repellent, and stain-resistant with "Asahi Guard E-SERIES" processing agent, which is resistant to water and stains. This popular series combines soft sweatshirts with nylon for stress points. A classic Chums daypack that has been loved for many years. It fits A4 size, and is just the right size for commuting to work or school. It is equipped with a chest strap and has mesh pockets on both sides to hold bottles. The right zipper can be accessed to the main compartment, and the left zipper is padded laptop sleeve. Contents can be removed without opening the flap. CHUMS patch at the point of the shoulder strap. Size (W x D x H): 11.4 x 7.5 x 16.9 inches (29 x 19 x 43 x 43 cm) (approx. 21 L))