INTERNATIONAL CARRY-ON FRIENDLY - Our roller luggage is sized to meet most airline carry-on requirements. Since carry-on dimensions vary by airplane size and style, and regulations are always changing, we recommend checking with your airline before flight. The Carry-On roller luggage will ensure your gear makes it on board safely (with you) and remains protected from not only bumps but also from dishonest strangers. EASY ACCESS DOCTOR BAG-STYLE OPENING - The doctor opening allows wide, unobstructed access to your gear, and it maintains a small footprint whether open or closed. UNIQUELY MODULAR - Compatible with all of Shimoda's DSLR and Mirrorless Core Units and Accessory Cases so you can completely customize the interior layout. SIDE PANEL POCKETS - Each side of the bag features a full-length zippered pocket. One side is fitted with a travel document and phone sleeve and the other side fits larger accessories like a water bottle. Both sides have a compression strap so you can hold