Part of Stanley’s Master Series, it uses tough materials and QuadVac insulation for those who demand the most from a flask.
- QuadVac™ insulation doubles up the insulating layers
- Wide mouth opening
- Textured cap is easy to open and close, with or without gloves
- Leak-proof design lets you pack it with confidence
- 1mm 18/8 food-grade stainless steel is super tough
