I Solemnly Swear Custom MugAnother WBshop.com exclusive in the mugs and glassware section! This custom photo mug features a black background on a white mug with the Harry Potter logo and the vow, “I Solemnly Swear That I Am Up To No Good,” plus an area where you can add a photo of your very own, printed right on the mug!

Just click the “Customize It” on the WBShop site button to create your one-of-a-kind gift that will be cherished forever.

This ceramic mug holds 11 ounces of your favorite hot or cold beverage and is microwave and dishwasher safe.


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