You Can Get a Butterbeer-Popcorn-Scented Candle on Etsy
This Harry Potter Candle Mixes 2 of Our Favourite Scents in One: Popcorn and Butterbeer
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Both Butterbeer Candles ($18) are vegan and cruelty-free — Hermione Granger would approve of them for S.P.E.W. meetings.