BAOSHA BP-11 Stylish Thick PU Leather Laptop Computer Backpack School College Rucksack Bag Material: Top PU leather fabric, polyester lining. Most expensive PU Leather, 99 Similar to Real Leather and No Feeling of Plastic Bag approx dimension: 15.7x 11 x 5.5 inch. Please Pay attention to the Size MULTIFUNCTIONAL: it can be used as school backpack,everyday casual bag,laptop backpack, etc SCIENTIFIC and REASONABLE STRUCTURE: Please refer to the pictures LIFETIME WARRANTY: We stand behind our products and offer a 100% Lifetime Money Back Satisfaction Guarantee.