This backpack has a sleek look and a box silhouette that eliminates excess embellishment.The interior features a water stop zipper on the right side and a round zipper on the back that opens full flat to allow for two access.In addition, it has a 2-way design that can be used as a horizontal Boston bag to suit the occasion. Material: 210D Double R/S Both Side Army Coating (100% Nylon); Size: One size fits all, 23.2 / 9.8 / 10.6 inches (59 / 25 / 27 cm) (H/W/D)