Details item# 306729 JanSport Platform Black Grid backpack. Sleek design and digital storage make the Platform the ideal backpack for any daily commute. Features include internal 15 inch laptop sleeve, padded 10 inch tablet pocket and dual water bottle pockets. Ergonomic S curve shoulder straps. Capacity: 1525 cu. in/25 L. Dimensions: 18" x 11.5" x 6". 420D nylon. Imported.