CoolBELL 17.3 inch Convertible Laptop Bag/Rucksack Messenger Bag Canvas Shoulder Bag Business Backpack Work Briefcase Multi-purpose Office Bag Notebook Bag for Laptop/Macbook/Men (Black)

"Dimension: approx. 19 x 14.5 x 3.5 inches; Laptop compartment: approx. 17 x 12 x 1.5 inches. Fits up to 17.3 inch laptop","Fits up to 17.3 inch laptop. Huge and reasonable space. One laptop compartment holds a 17.3 inch laptop, two layers of shockproof padding keep the laptop safe. Document compartment with multiple pockets inside, accessories are stored reasonably.","Multifunctional and convertible pockets can help you transform different carrying styles whenever possible, such as backpack, messenger bag, briefcase.","Spacious laptop compartment and accessory compartment. Special design of laptop compartment with flexible belt provides more protection for your laptop. Still enough space for 3 days' clothes for travel. Spacious enough for your needs.","Built-in shockproof waterproof foam can always protect your precious items such as laptop, iPad, etc. from collision. With the exclusive canvas fabric, it can be more durable."