Protect your straw while on the go with the BruMate Magnetic Straw Cover 2-Pack – Nightfall Blue. Designed with built-in magnets, these covers securely perch on Era and Resa tumblers, allowing them to flip, stick, and store when not in use. A simple and hygienic solution to keep straws clean and protected between sips. Compatible with BruMate Era and Resa tumblers.