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Travelers are shocked by how much it can fit and still slide under an airplane seat.

The one catch is that the quality of the bags often comes at a high price.

Travelpro Maxlite 5 Lightweight Underseat Carry-on

Credit:Travel + Leisure / Tyler Roeland

TheTravelpro Maxlite 5 Underseat Carry-onmeasures 11 inches by 18 inches by 8 inches.

They reported no bulging, and the front pockets were still empty.

The outside of the bag has the brands DuraGard coating that repels water and resists staining.

Travelpro Maxlite 5 Lightweight Underseat Carry-on Black

Amazon

Inside, its lined with another water-resistant layer to keep liquids from seeping in or spilling out.

Almost 4,000 shoppers have given the tote five stars at Amazon.

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