GuardianShell: The Secure Hardshell Backpack

The GuardianShell - MR2958 is a hardshell anti-theft backpack made from resilient, water-resistant PU and EVA-pressed film. It’s equipped with YKK zippers, a TSA anti-theft lock, a back trolley strap, and a rear anti-theft pocket. It features a third-gen external USB charging port with separate compartments for a 15.6-inch laptop and a 12.9-inch tablet.

Regular: 

Feature	Specification
Dimensions	45cm x 28cm x 12cm
Weight	1.21kg
Shoulder Strap Length	45cm - 95cm
Material	PU + EVA film, rebound upon pressing, water-resistant
USB	Outer 3rd generation USB charging interface
Main Compartment	Digital partition
Zipper	YKK custom zipper, smooth and durable
Extra Features	Outer TSA anti-theft lock + back trolley strap + back anti-theft pocket

Expandable:

Feature	Specification
Dimensions	45cm x 28cm x 14cm
Weight	1.43kg
Shoulder Strap Length	45cm - 95cm
Material	PU + EVA film, rebound upon pressing, water-resistant
USB	Outer 3rd generation USB charging interface
Main Compartment	Separate compartments for 15.6-inch laptop and 12.9-inch tablet
Zipper	YKK custom zipper, smooth and durable
Extra Features	Outer TSA anti-theft lock + back trolley strap + back anti-theft pocket