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Looking for a unique gift for the smartest person on your list? This Erlenmeyer flask wax stamp lets you complete your correspondence the traditional way – with a wax seal.

Give your letters and wedding invitations a little chemistry love with a seal that features your favorite lab equipment.

These wax stamps make great birthday gifts for people who already have everything, plus they imbue your stationery with some classic science flair.

Each stamp comes in its own kraft box sealing wax is sold separately so you can pick your signature color!