Features 1. Large capacity backpack: Three spacious internal compartments and one independent large compartment can accommodate most 13, 14, 15, 15.6, 16, 17.3-inch laptops or iPads or computers. There are also more independent pockets to hold iPads, power banks, A4 files, wallets, pens, cards, clothes, etc. The elastic mesh outer bags on both sides can hold umbrellas and water bottles. 2. Comfort: The padded breathable mesh back of this 17.3-inch laptop backpack helps with air circulation, ventilation, and heat dissipation. The comfortable and spacious mesh shoulder straps are equipped with a large amount of sponge padding, which can reduce the burden on the shoulders. The ergonomic design ensures the distribution of gravity in men's backpacks, ensuring that they can be comfortably worn even when fully loaded. Suitable for Mother's Day gifts and Father's Day gifts. 3. USB port and anti-theft function: Our anti-theft backpack is equipped with a hidden back pocket, which provides private space and protects your valuable items from theft. The integrated USB port is very practical and can safely charge your phone through a connected power bank. (Excluding portable power banks.) 4. High quality materials: Made of durable and high-quality waterproof fabrics. This laptop backpack is large and durable, making it perfect for university, travel, business, daily life, and outdoor activities. 5. This is the best Christmas gift for men, women, students, and teenagers. Specification Material: Oxford cloth Color: Black Size: 49 x 33 x 6 cm Weight: 1000 g Package Include: 1x bag