15.6。The laptop backpack with multi-compartments: 1 separate laptop compartment, 1 tablet slot ,1 main compartment and 2 front compartments ,making it easy to organize your laptop, A4 folders, books, clothes, and other essentials. Ideal for work, travel, or everyday use This women\'s laptop backpack features a laptop compartment padded with cushioned cotton to provide maximum protection. It fits laptops up to 15.6 inches and includes a tablet slot that accommodates a 12.9\" iPad or a 13.3\" laptop. The anti-theft backpack comes with a hidden zipper pocket on the back, ensuring the safety of your valuable items. No more worries about stolen belongings. Perfect for someone carrying multiple electronic devices. This versatile travel backpack features a convenient luggage strap on the back, allowing it to securely attach to the handle of your rolling suitcase. This design eases the burden during your journey and frees up your shoulders. It includes 4 compartments and multiple pockets, perfect for keeping your travel items organized and easily accessible. The backpack features a built-in USB charging port, making it easy to charge your phone while walking or traveling. (Power bank not included.) No need to hold your power bank in your hand, simplifying your life and travel experience.