Instead of estimating how much a packed bag weighs, test it before you even get to the airport.
With steep luggage fees, it's best not to risk going over the weight limits.
This hook scale from PointXP can help you make sure that when it's time to check your bags, there will be no surprises.
Buy it here: $14
A towel isn't something you want to forget when camping or staying in hostels.
These lightweight and fast-drying TruTowel towels are great for travelers staying in hostels or camping because they save room and weight in your bag.
They're also anti-microbial so they don't produce an odor after a few uses.
Buy it here: $15
A mini humidifier will save you from dry hotel air and keep you from feeling sick and dehydrated.
This mini humidifier is the perfect size to keep on a desk or next to a bed. It's powered by a USB cord and is compatible with many popular plastic bottles.
Buy it here: $10
Instead of trying to hold your umbrella while lugging your bags, attach it to your head.
Nothing puts a damper on a vacation like a rainy day. Keep your hands free to pull or carry luggage or take pictures by eliminating traditional umbrellas with the Luwint umbrella hat.
It may look silly, but this thing has fantastic customer reviews.
Buy it here: $16
This tiny bag will do your laundry for you if you're on the go.
This wash bag from Scrubba is astounding. If you follow the instructions, the bag claims to give you a "machine quality wash in three minutes."
The inside of the bag has small nubs that help clean the clothes like an old fashioned washboard. It's compact and doubles as a drying bag.
Buy it here: $50
While traveling, holding onto your cash and cards is key — this little pouch can help.
This pouch is perfect if you're uncomfortable using a traditional purse for your cash, or want to split your money up so it's not all in one place.
The silk bra stash from Eagle Creek snaps around the strap of a bra or undergarment to keep important small possessions in a hidden, safe spot.
Buy it here: $14
Don't let your phone or camera die on you with a chargeable battery.
Recharge your phone or other small electronic device with this external power bank from Leadtry.
After all, you can't show all your friends and family photos of your incredible vacation if your phone was dead and you never got to take pictures.
Buy it here: $25
Stay hydrated and remember your medication every day with this pill box/water bottle.
It can be difficult to take pills without water, but with this water bottle/pill box contraption from Asobu, it will hopefully make traveling with medication that much simpler.
The pill box is easy to refill and removable as well.
Buy it here: $13
With this handy kit, you can create your own specialty cocktail mid-flight.
The carry-on cocktail kit makes flying a bit more enjoyable — plus, it's easy to pack.
You don't need to worry about forgetting an ingredient or utensil with this kit. All you need to add is the alcohol that can usually be purchased onboard the flight.
Buy it here: $17
This pouch organizes all your essentials within your suitcase.
Underwear and socks are essential for any trip. Don't forget to pack them or struggle to find them in your suitcase once you arrive.
This garment box from GAVOedge makes packing, and unpacking, easier.
Buy it here: $12
Some outlet adapters can be confusing — this CosmicM keeps it simple.
This adapter from CosmicM clearly marks which plug is for which type of outlet, and has slots for a plug of any type — even USB ports.
Keep in mind though that although this adapts for different shaped plugs, it does not convert voltage.
Buy it here: $19
