Travel Backpack, 42L Carry on Luggage, Flight Approved Expandable Backpack

【LARGE CAPACITY AND EXPANDABLE】This suitcase backpack for travel features zipper expansion, which can expand up to 42L for 3~7 days of travel essentials. The spacious main compartment with straps to secure travel supplies, one separate laptop compartment for a 17-inch laptop, and a hidden anti-theft pocket on the back protect your valuable items. It's perfect for travel, business, camping, or cruises with a 20*14*7" size. Please check the size before purchasing. 【FLIGHT APPROVED CARRY ON BACKPACK】This laptop backpack for men is designed for travel, you can travel anywhere you want, and two padded handles for easy switching between backpack and suitcase. There is a luggage strap on the back, which can be placed on the luggage. It fits overhead and under the seat, while in a state of standard carry-on size, and is ideal for men, women, weekend travelers, or occasional vacationers. 【MORE DURABLE MATERIAL AND ANTI-THEFT LOCK】