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My backpack is slightly oversized for a "personal" item on Frontier. How strict are they, do you think they'll call me on it? : r/Flights
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Amazon.com: UNDERSEAT PRO Personal Item 17.3” Laptop Backpack Compliant with Frontier, Allegiant, Spirit, Play Airlines, American, Delta, easyJet and More. 18x14x8 inches (BLACK, 30L with Laptop Pocket) : Electronics
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18" Personal Item Under Seat Travel Backpack for Frontier, American, Spirit & Southwest Airlines Black - Walmart.com
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