Significant Features Middle Zipper Enlarge the size and capacity of the bag by using the middle zipper. You can carry more clothing or book or diminish the size of the bag with the zipper. It is great for carrying all the necessities for school, work and travel. Comfortable Padded Design Padded shoulder strap and padded back can ease the pressure on your back and shoulder, causing less sweaty feeling with the airflow back. It is also shock absorption with the padded cushion, great for carrying laptop. Convertible Carry-on Direction Switch the carry on direction with D-rings on the bottom of the back, reducing the pressure of your shoulder. Read more H HIKKER-LINK Mens Canvas Messenger Bag Laptop Sling Backpack Crossbody Rucksack H HIKKER-LINK Mens Canvas Messenger Bag Laptop Sling Backpack Crossbody Rucksack H HIKKER-LINK Mens Canvas Messenger Bag Laptop Sling Backpack Crossbody Rucksack H HIKKER-LINK Mens Canvas Messenger Bag Laptop Sling Backpack Crossbody Rucksack H HIKKER-LINK Mens Canvas Messenger Bag Laptop Sling Backpack Crossbody Rucksack H HIKKER-LINK Tactical Sling Bag Pack Military Rover Molle Daypack Green Gray Material polyester with metallic hardware, smooth zipper and soft polyester inner lining canvas and polyester with PU leather decoration polyester with metallic hardware, smooth zipper and soft polyester inner lining canvas with PU leather decoration canvas with PU leather decoration polyester with metallic hardware, smooth zipper and soft polyester inner lining Waterproof level water-resistant N/A water-resistant N/A N/A water-resistant Dimension 9.8L*4.1W*13.9H(inch)/ 25L*10.5W*35.5H(cm) 10L*4.5W*13.7H (inch)/25.5 L *11.5W*35H(cm) 10.2L*4.3W*14.1H(inch)/ 26L*11W*36H(cm) 10.2L*4.5W*14.1H (inch)/26 L *11.5 W*36H(cm) 10.2L*4.3W*14.1H (inch)/26 L *11 W*36H(cm) 10.4L*4.5W*13.7H(inch)/ 26.5L*11.5W*35H(cm) Structure The main compartment can put books, 13" laptop, pencil case and other stuffs. There are 1 front small zipper pocket, 1 zipper pocket for tablet, 2 pockets for other daily necessities and 1 side pocket. 1* front flap zipper pocket for tickets and passport; 1* zipper pocket under the flap for iPad Mini; 1* open pocket under the flap; 2* side pocket. 1 inner zipper pocket and 1 inner laptop pocket; 2 inner small pocket. The main compartment with 2 inner slip pockets, 1 inner zipper pocket and 1 laptop pocket for 13" laptop, can put books, laptop, pencil case and other stuffs. 4 front zipper pockets, 2 side pockets for bottle and chewing gum. 1* laptop compartment, 1*zipper pocket and 2 slip pockets. 1*zipper meshed pocket under the front flap, 1 cell phone pocket with Velcro and 2 pen slots. 2 side pockets, 2 front zipper pockets and the second large zipper pocket. 1* front flap zipper pocket for tickets and passport; 1* zipper pocket under the flap for tablet; 1* open pocket under the flap; 2* side pocket. 1 inner zipper pocket; 1 inner laptop pocket; 2 inner small pocket. It can put books, magazines, 13.3in laptop and other stuffs. There are 2 front small zipper pockets, 1 front zipper pocket with 1 elastic inner pocket and 3 nylon webbing holders, 2 side pockets and 1 back pocket.