I Solemnly Swear That I Am up to No Good™/Mischief Managed™ Giant 20 oz. White Mug "Action Figures" Adjustable wire brim

Adjustable wire brim

and come in a special edition box with tissue paper

behind-the-scenes photography

Movies vinyl figure of Harry with the Cloak of Invisibility

This black t-shirt features a design of the iconic words used to close the Marauder's Map: "Mischief Managed™

I Solemnly Swear That I Am up to No Good™/Mischief Managed™ Giant 20 oz. White Mug "Action Figures" Adjustable wire brimI Solemnly Swear That I Am up to No Good! This giant 20 ounce Harry Potter mug features the password to open the Marauder's Map on one side, and the phrase that closes the map, Mischief Managed, on the other side. This white ceramic mug holds 20 ounces of your favorite hot or cold beverage and is microwave and dishwasher safe.