Nylon bag-in-bag with five detachable pockets, versatile for various purposes. - Color: Black - Material: Nylon - Number of pockets: 5 (5 pouches held together with Velcro) - Size: A4 notebook size The main bag, which serves as the base, also has a zipper on the back. An A4 notebook fits in this. Base bag: 25 cm (height) x 34.5 cm (width) Horizontal bag: 17 cm x 22.5 cm Square bag: 11 cm x 10 cm - The exact product name is unknown, but it is a product from 2011 to 2015.