BANGE 35L/45L Expandable Travel Backpack Quick Access Business Laptop Bag

This expandable backpack solves dual needs of travel storage and business trips! 

Extra Expandable Space: Pull the expansion zipper to instantly add storage capacity for extra luggage

Quick Easy Access: 180° flat opening + quick-access pocket let you grab essentials in seconds.

Smart Multi-compartment Storage: Scientific zoning provides dedicated spots for laptop, clothes and other essentials, no rummaging

Ultimate Laptop Protection: Dedicated padded compartment + secure strap for shock & scratch protection

All-day comfort carry: Ergonomic design with breathable back panel and adjustable shoulder straps for fatigue-free long carrying

Hands-Free Weight Reduction: Luggage sleeve design attaches to suitcase handles, freeing your hands and shoulders.

Two capacities:
35L:  31×20×47.5cm (Before Expansion) / 31×26×47.5cm (After Expansion), fits 15.6" laptop
45L:  32×20×52cm (Before Expansion) / 32×26×52cm (After Expansion), fits 17" laptop