Ceramic Mugs * Available in 15 oz. * Made from ceramic * Microwave and dishwasher safe * The design is wrapped around mug Bottlebrush Designs: Liz Mullikin is a graphic designer and owner of Bottlebrush Design Co. based out of Milwaukee, WI. Created in 2020, when her love of graphic design and souvenir stickers collided. Ever in search of well-designed souvenirs from her travels (which can be hard to find!) she started designing her own. As a native Wisconsinite, she was drawn to create products celebrating her home state of WI and the Midwest.