🌍 Travel Smart, Travel Stylish! Heavy-duty materials ensure durability on every adventure. Sleek, professional design meets practicality. Air-mesh back panel for ultimate breathability. Unzip to unleash 27L of packing potential! Transform from backpack to briefcase in seconds. Convertible design Water-resistant 27L capacity The MATEIN Mens Travel Backpack is a versatile 27L carry-on backpack designed for both men and women. It features an expandable design, water-resistant polyester material, and a convertible style that allows for easy transformation from a backpack to a briefcase. With adjustable straps and a ventilated back panel, this lightweight backpack is perfect for weekend getaways, business trips, or outdoor adventures.