Doctor Who parody mug reads Wibbly Wobbly, Coffee Woffee on the front along with TARDIS- back reads It's Bigger on The Inside. This handmade mug features a glossy white glaze on the outside, a bright turquoise blue circle and interior. Great for coffee or tea, this mug measures 4 x 4 and holds 16 oz. Kiln fired to over 1900 degrees, all lead free glazes. Safe to dishwash and microwave.