The Muir crest and tartan on the tumbler that goes everywhere. The motto Durum Patientia Frango — "By patience I break what is hard" — is part of the clan design on the outside, and the double-wall insulation keeps whatever's inside at the right temperature for hours.
20oz stainless steel construction — double-wall insulated, prevents condensation
Muir clan crest and tartan printed in vibrant, high-quality colour
Secure rubber gasket lid — spill-resistant for on-the-go use
Fits most standard car cup holders
Dimensions: 6.70" H x 3.40" D
Hand wash only — not dishwasher safe
Celtic Ancestry Gifts carries the Muir name across mugs, woven blankets, apparel, ornaments, coasters, pennants, garden flags, and more.
We carry hundreds of Scottish and Irish clan designs — search your surname to find your own heritage pieces.
