I travel multiple times each year and these are items that I rely on to make my trips enjoyable rather than stressful.
I usually travel with only this carry on. It is light and roomy with many color options. With four wheels on the bottom, it rolls easily so I can fly through an airport.
All Carry On Luggage - Spinners, Totes, & Sets - Travelpro
I loved my Matein backpack so much for traveling, that I bought another in a smaller size for shorter trips. I love all of the separate pockets and its very comfortable.
MATEIN Backpacks & Travel Gear
These toiletry bags are perfect for going through security when you have to remove your liquids from your carry-on bag. I also like that I can see where everything is when I need something. I divide up my toiletries into multiple bags to make using t...
Transparent Toiletry Bag
I didn't want to spend a large amount on headphones and a friend recommended these Soundcore earbuds. They work well and are comfortable. Mine are the P30i.
True Wireless Earbuds - soundcore US
I have used this power bank for 3-4 years and it is light and keeps enough charge for a day out seeing the sights.
Power Banks
I generally travel with “hiking” pants. They are light and don't take up much room in my suitcase. They dry quickly, which is important when I only have a washer in most European apartments.
Hiking Pants: Backpacking, Trekking & Camping | REI Co-op
I bring the small packets with me when I travel to replenish electrolytes, especially on travel days. My favorite flavor is Passionfruit.
All flavors — Ultima Replenisher
I have enjoyed taking a walking tour when arriving in a new city to get an overview of the history and layout. Many also give you a taste of local dishes and drinks.
The Tour Guy
I have used Get Your Guide to find a local tour which is great for meeting people when traveling alone and get a good overview of a new city.