Finding the right travel bag can be difficult for even the most seasoned travelers. You’ll want to find an option that’s lightweight and comfortable to carry around all day but still big enough to hold all your essentials. And if you can find one that has bonus features like waterproof material and built-in USB chargers, even better.

The Best Carry-on Backpacks for Your Next Trip

The bag also has two side pockets that are the ideal size for water bottles or umbrellas, plus a front zippered pocket that’s great for items you need easy access to like your passport, keys, lip balm, and more. What’s more, it’s made from a durable nylon material that’s both waterproof and tear-resistant.

To buy: amazon.com, from $24 (originally from $30)

The versatile bag can be worn across your front or back, and you can switch between both shoulders. What’s more, the padded shoulder strap is fully adjustable, so you can find a comfortable fit. But, what really set’s the backpack apart from others on the market, is the fact that it has a built-in USB charger cord, so you can always keep your devices juiced up while you’re on the go.

There are seven styles to choose from, and they are all on sale right now. Prices start at just $24, and none of them will cost you more than $40 each. Shop the Seafew Sling bag for your next trip now while it’s still on sale.