How to Pack Like You've Done It a Hundred Times Frequent flyers operate with a different set of priorities than occasional travelers. Our 'Flying Essentials' list is built from the habits of road warriors: minimize touchpoints, maximize comfort, and never check a bag you can carry on. Every pick here is designed to compress, organize, or protect. What We Look For: 1. TSA Compliance: Every liquid container, power strip, and battery pack on this list meets current TSA carry-on rules for the most common international routes. 2. Compression Efficiency: For packing solutions, we look for vacuum or compression designs that demonstrably reduce bag volume by at least 30%. 3. Dual-Use Design: The best travel accessories serve multiple purposes — a toiletry bag that hangs, a pillow that also serves as a lumbar support, a charger that works globally.