Water-Resistant Rolling Backpack for Adults - Large Laptop with Wheels

High-Quality Aluminum Alloy Framework - Constructed with high-quality aluminum alloy for durability and lightweight. - Thickened wheels for smooth rolling on various surfaces.

Concealable Shoulder Straps - Shoulder straps can be stowed on the back panel for rolling backpack functionality. - Conceals wheels, protecting your clothes from staining when used as a regular backpack.

Detachable Hook - Detachable hook allows versatile use both as a backpack and suitcase.

Multi-Purpose Rolling and Backstrap Function - Capable of being used as a rolling backpack on flat ground. - Quickly switch to a regular backpack for stairs or rough terrain.

Extra-Large Rolling Laptop Backpack - 40L capacity to comfortably fit all your essentials. - Features 8 compartments for organized storage.

Double Mental Zippers - Smooth and easy to use double mental zippers make accessing and closing your backpack effortless.

Flight-Approved Dimensions - Conforms to most international airline carry-on size requirements: 21.3 x 13.8 x 7.9 inches. - Suitable for both underseat and overhead compartments.

Customer Satisfaction - Dedicated to providing the best service. - Will address any quality issues promptly and offer a satisfactory solution.