This article originally appeared in Travel+Leisure.

The proper packing of a carry-on bag is a skill that takes time to perfect. Unless, of course, you've got access to a comprehensive list from a group of frequent fliers — say, Travel + Leisure's editors?

Regardless of whether you're packing a tote bagbackpack, or wheeled bag, it's what's inside that counts, so we put together a list of absolute must-have travel items and some personal recommendations for the best in each category.

When packing your carry-on, you'll first want to focus on creating a seamless airport experience and things like a travel wallet and an easily accessible toiletry pouch will help you stay organized and breeze through security. Then, make sure your in-flight experience is as comfortable and enjoyable as possible. This is where travel essentials like headphones, snacks, and a travel pillow will come in.