Please click "Customize Now" to enter your name and number, and you are ready to customize personalized backpack. Size: 16" x 11.5" x 8". Inside there is a main large zipper pocket and two side mesh pockets. This backpack is big enough to hold laptop, water bottle and umbrellas,etc. The length of the shoulder strap can be adjusted freely to reduce the weight burden and make you more comfortable. It is a great backpack for casual life. You can take it to shopping, cycling, traveling etc. Perfect Gift for Birthday, Christmas, Etc. ANTKING Philadelphia Backpacks Travel Bags Custom Any Name Number for Men Women Gifts