This is a Roka Canfield roll-top backpack. The roll-top design enables a wide-mouth opening, complete with chunky zip and magnetic holders and so you roll it over to cover the zip or leave it unrolled if you need to fill this bag to the brim. There’s a secret pocket on the outside and more pockets inside for all your tech things, and the large size features side bottle pockets. The large size can hold a 17” laptop and all your accessories. With enough space for your tech and more, you'll be able to take everything you need anywhere you go. The Large size has two side water bottle pockets. Size: 46cm x 38cm x 15cm. Capacity: 26 litres. Like new, barely used.