The Alpha is a perfect bag: it looks small but due to its design it can contain more that it seems. It has two wide straps for carrying it on your back plus a short handle for holding by hand.In the main compartment which closes with a zipper there are two large pockets which close with a zipper and an open leather pocket for the phone.On the outside there are two deep and wide pockets for a water bottle.On the back of the bag there is an additional compartment that closes with a magnet.Size: 31×21.5×13 cm.The texture and color of the lining may vary depending on the collection