This roomy rucksack is the perfect pack for hiking, a day at the beach, school, or whatever it is that you need to do! The Atlas has a huge outer zipped pocket, a smaller interior zipper pocket, a divided slip pocket, and a large interior waterproof pocket that can fit a small tablet or notebook. You may also add an interior sleeve to hold your water bottle in place. Please refer to the pages under Customization when designing your bag. The Atlas measures approximately 14" wide x 5" deep with an adjustable height.