MAX CARRY-ON SIZE – Dimensions of 51 x 36 x 18 cm (20.1 x 14.2 x 7.1 in) mean this larger-capacity backpack still qualifies as carry-on baggage on all major airlines – more packing space without checking a bag. BIGGER PACK, SAME LAPTOP PROTECTION – At 44L (760g / 1lb 11oz), this backpack fits devices up to 18" in a suspended laptop sleeve that keeps it cushioned and protected, while the front-loading clamshell design opens fully for easy, efficient packing on longer trips. BUILT FOR THE LONG HAUL – Constructed from 600 denier polyester with a 200 denier polyester lining, this abrasion-resistant, water-resistant backpack is designed to handle extended trips and daily use. ROOM FOR MORE, ORGANIZED YOUR WAY – A spacious inner zip pocket, mesh zip pocket, and front-panel quick-access pocket keep everything from cables to documents easy to find. MADE FOR ZERO-HASSLE TRAVEL – Side compression straps manage a fuller load, the shoulder strap airflow system keeps you comfortable, and lockable sliders plus a self-standing base and TSID/OKOBAN Lost & Found ID tag round out the security and convenience features.