Doctor Who TARDIS Acrylic Cup with Straw Doctor Who TARDIS Double Wall, BPA Free, 16oz Acrylic Travel Cup with Twist Seal Lid, Silicone Gasket, and Reusable Straw! Even time travelers get thirsty! Quench your thirst with this 16-ounce Doctor Who TARDIS Acrylic Cup from the Doctor Who sci-fi TV series. Carry the iconic show with you wherever you go. Series-specific artwork will please any Doctor Who buff!