About this product

1、Dual Rainproof Layer: The backpack features a skin friendly Oxford cloth and PVC rainproof layer, with both outer and inner layers providing excellent rainproof performance. Seam sealed to ensure damp prevention, it also includes an anti theft back zipper pocket for secure travel. 2、Expandable Capacity: Designed to expand from 36L to 55L, the carry on backpack increases its capacity by 1.2 to 1.5 times. Its spacious main compartment and additional layered pockets enable easy organization and access to your belongings, ensuring no worries about packing extra clothes for your journey. 3、Breathable Back Padding: Equipped with a three dimensional honeycomb back pad, the travel backpack promotes airflow circulation to maintain a dry back at all times. Sponge straps offer comfort for easier carrying. 4、Smooth Zipper Design: The expandable backpack includes a double sided zipper system that runs smoothly and boasts strong teeth, proof to damage. Precisely stitching with evenly spaced seams ensures durability and prevents unthreading over time. 5、Dual Charging Ports: Featuring two charging interfaces, the backpack includes an input port to connect with an external plug for power transmission (internal power bank not included) and an output USB port for charging your phone via a connected power bank inside. 6、Versatile Functionality: Capable of holding a 17.3 inch laptop, the carry on backpack comes with a back strap for use with luggage handles. The adaptable shoulder strap includes a spot to hang a water bottle, and a soft handle ensures convenient and effortless portability.

Specification

Item Type: Travel Backpack

Material: Film, Polyester, Oxford Cloth, PVC

Weight: Approx. 1093.00g/38.55oz

Width: Approx. 32cm/12.6in

Height: Approx. 49cm/19.29in

Thickness: Approx. 15cm/5.91in