Amazon.com: 55L Extra Large Travel Backpack for Men & Women 。*Large capacity; Size 17.5x12x7 inches with functional compartments; 1 main large compartemnt with double SBS zippers; 1 front pocket; 2 sturdy side pouches; 1 padded laptop slot and 1 safe backside insert *Multi-pocket design: The book bag has a main compartment with a large padded pouch that can fit items up to 15.6 inches, a front pocket for pens, 2 side pockets for water bottles, and umbrellas, and a hidden zipper pocket on the back for a phone, etc. *Safe backside insert for storage; inner size 11.5x11.5 inches; zipper lengh 7.5 inches *Padded back and straps: The shoulder straps and back of our casual daypack backpacks are cushioned with sponge padding to provide extra comfort and relieve stress on your shoulders and back *Classic design for all situation; Classics will always be in style, though time is passing by. Vorspack backpack is simple but practical, it can fit your supplies for work, and gears for sports or gym, all personal necessities for a short trip or outings