If you’ve ever spent time at an airport watching the baggage carousel, you know the stress of spotting your suitcase among a sea of identical bags. To make their luggage easier to identify, many travelers have turned to tying ribbons or colorful markers on their suitcases. While this seems like a smart solution, an airport worker is warning that using personal markers can lead to unexpected problems you can’t simply undo. The fear of losing your luggage while traveling is real, and to avoid the frustration of watching endless suitcases go by, travelers often use bright ribbons to help their bags stand out. But this simple trick might come with risks you hadn’t considered.

