Geek-M Canvas Backpack Nautical Striped School Rucksack Satchel for Teens Girls (Black) Pretty sturdy and thick Material: High quality Thickened Canvas , padded shoulder strap. Dimension: 13.8 x 17.7 x 6.7 inches (L*H*W) Weight: 0.6KG; Capacity: 20Liters Structure: 1x front pocket; 2x side pockets; 1x main pocket; 1x laptop department; 1x inner wall pocket; 2x small inner slots.