Multifunctional men's backpack, made of thick canvas and genuine leather with unfastened pocket (extra pocket). Basic clasp is tightening on a cotton cord. The flap fastens with quick connect snap with a loop. On the sides of the backpack there are two pockets, useful for carrying things, water bottles, etc., the pockets are fastened by buttons. Back of the backpack is sealed, thats why the backpack holds its shape in any fullness. Inside the backpack has pockets for mobile phone and small things. From the outside is a removable pocket - there is a bag, which if necessary can be an independent unit and have a great time with its owner without a backpack. The bag fastens with a metal zipper, inside it has two pockets for mobile phone and small things, long strap for this bag comes with. This backpack will be a reliable friend when you walk across the city, riding a bicycle, vacation trips and other activities where is important max comfort and convenience. Material: genuine leather, canvas Overall size: the backpack - 16.5" x 11.8" x 5.5" (42 х 30 х 14 cm), the bag (extra pocket) - 7.8" x 11" x 1.3" (20 x 28 x 3,5cm)