That little hard tag sewn into a hotel pillowcase is usually a laundry RFID chip, not a hidden bug or camera.It helps commercial laundries count linens, track wash cycles, manage inventory, and retire worn-out items.The passive tag has no battery, GPS, or personal data—it identifies the pillowcase, not the guest.
So the next time you feel that tiny bump, you’re probably touching a very boring piece of laundry technology.
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