Stainless Thermal Mug

stainless
Unmarked by or resistant to stains or discoloration
(of a person or their reputation) Free from wrongdoing or disgrace
stainless steel: steel containing chromium that makes it resistant to corrosion
Stainless is a WebKit-based web browser for Mac OS X by Mesa Dynamics. Stainless started out as a technology demo to rival the multiple-process architecture of Google Chrome, but then went into its own direction.
(of reputation) free from blemishes; "his unsullied name"; "an untarnished reputation"

thermal
An upward current of warm air, used by gliders, balloons, and birds to gain height
relating to or associated with heat; "thermal movements of molecules"; "thermal capacity"; "thermic energy"; "the caloric effect of sunlight"
of or relating to a hot spring; "thermal water"
rising current of warm air
A thermal garment, esp. underwear

mug
A person's face
rob at gunpoint or with the threat of violence; "I was mugged in the streets of New York last night"
the quantity that can be held in a mug
chump: a person who is gullible and easy to take advantage of
The contents of such a cup
A large cup, typically cylindrical and with a handle and used without a saucer