137 Travel Essentials: the Most Comprehensive Packing List EVER. This is everything you can possibly need when packing for a trip. It's a guideline for the most efficient ways to go about packing your travel essentials. Find the most useful carry on essentials, packing and clothing essentials, outdoor essentials, fitness “on the go” essentials, reading essentials, and business management essentials. | Packing list | Packing essentials | Carry on essentials | Packing tips | Packing hacks |