Tanga has this 2 Pack: BRUGO sport leakproof mug w/ built-in temperature control for only $11.99.  The patented, thermodynamic science of BRUGO gives you the power to immediately enjoy the most vibrant flavor at the perfect drinking temperature. You can drink your tea or coffee without burning your mouth immediately.

Also appearing on the Tanga main page is this clever t-shirt:  Why yes, the world does revolve around me.