Ailouiskids Rolling Backpack with Removable Wheels,18 inch Laptop Backpack with Wear-Resistant Chassis Carry on Travel Backpack Water Resistant Wheeled Backpacks for Women Men

UPGRADE EXPERIENCE - Backpack with removable wheels upgraded high-quality aluminum telescopic handle, which is lighter and more durable. One-piece molded PC bottom shell, lighter weight and more wear-resistant to protect the rolling computer bag from abrasion ^^
DETACHABLE WHEELS: Equipped with 4 double removable universal wheels, it is practical and convenient to switch between computer backpack and roller backpack depending on the situation. Dirt-resistant cloth design wraps around the bottom of the laptop backpack to keep every carry clean ^^
MULTIPLE COMPARTMENT: Built-in laptop compartment for computers up to 15.6 inches. Main compartment for clothes, documents etc. 2 Front compartment and pockets for ipad, notepad, etc. 2 invisible side mesh pockets for umbrella or water bottle to keep things organized, Back zippered pocket for shoulder straps or more daily necessities ^^
SIZE: Under the seat rolling office bag is 14* 8.7 * 20.5 inches; 2-stage adjustable trolley, up to 39 inches. Weighs 5.58 lbs. Capacity is 40 liters. Meets flight certified dimensions for overhead luggage compartment and under seat ^^
Material: The backpack with wheels is made of high-density waterproof material, wear and tear resistant. The shoulder straps are soft sponge pads, breathable and decompression. SBS two-way zipper, open and close smoothly, not stuck teeth