可扩展笔记本电脑背包防盗B00410，北极猎人AH男女防水背包，户外笔记本电脑背包最大15.6英寸

Zipper Closure

【DURABLE WATERPROOF MATERIAL】Made of premium, waterproof, scratch-resistant, and wear-resistant material, this backpack is designed for daily use. With a high-quality double-ended zipper, it is smooth to use and allows for easy closure of the bag's zipper.

【EXPANDABLE BAG】Open the zipper to increase the capacity by 50%, expanding it by 7 cm. It can accommodate a large number of items such as travel accessories, clothes, stationery, and laptops.

【PRACTICAL AND CONVENIENT】A luggage strap on the back allows the travel backpack to be placed on a suitcase, sliding over the vertical handle tube of the luggage for easy transportation.

【MULTI-COMPARTMENT BAG】The main compartment can hold a tablet, power bank, glasses, mobile phone, etc. A small multifunctional pocket can store keys, pens, charging cables, etc. This shoulder bag keeps you organized so you don't have to look messy when you open the bag.

【LIGHTWEIGHT AND COMFORTABLE】Comfortable and breathable mesh sponge design of the back and straps, which means it is more comfortable to carry a heavy load, relieving the stress on your shoulder. It provides plenty of padded comfort to your back. Suitable for school, college, weekend getaway, casual travel, daily work, business, travel, camping, and hiking.