Doctor Who TARDIS 16 oz. Travel Mug, Garden, Lawn, Maintenance Posted on March 26, 2014 By Maria Scott Dr. Who Tradis 16oz Travel Mug. 16oz single walled stainless steel interior, plastic exterior. BPA Free. wash throughly before use. hand was only- not dishwasher safe. Product Features Dr. Who Travel Mug Tardis 16oz Travel Mug