17.3" Laptop Expandable Travel Backpack, TSA Compliant Carry On

Polyester Fabric, Water-Resistant & Easy to Maintain Made of premium polyester with great wear resistance for long time use. Water-repellent surface blocks light rain and splashes. Simply wipe clean with damp cloth, durable and practical for frequent travel | Ergonomic Design for Comfortable Long Wear Wide padded shoulder straps evenly disperse weight to reduce shoulder pressure. 3D honeycomb breathable mesh back enhances airflow. Adjustable chest & waist straps stabilize the backpack and ease fatigue for long-time carrying | Protective Construction with Secure Storage Hidden flap pocket keeps valuables like passports and cards safe. Tough smooth zippers prevent snagging. Reinforced bottom for impact resistance, top & side handles for easy lifting. Elastic side mesh pockets hold water bottles or umbrellas | Versatile Style for Travel, Work & Outdoor Use Modern streamlined design, not bulky for commute, hiking, camping and daily use. Available in 3 colors. Built-in headphone port and expandable layer, ideal for daily use and weekend trips | Reliable After-Sales Support