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This is the 11oz PERFECT, 3-in-1 rambler. Our Kosmos Q tumbler converts from a can to a bottle koozie, or screw on the drinking lid for a warm cup of coffee or a cold glass of whiskey. Made from 18/8 stainless steel, it is double-walled with copper vacuum insulation, threaded clear acrylic lid, and threaded gasket for can or bottle use. This Kosmos Q rambler will keep liquids HOT for up to 6 hours and keep liquid cold for up to 24 hours.
- Insulates hot beverages up to 6 hours
- Insulates cold beverages up to 24 hours
- Durable, double-walled construction
- High-performance vacuum insulation
- 18/8 food-grade stainless steel, no liner
- 100% stainless interior (stainless caps)
- Extra-wide mouth for easy filling and pouring
- No BPA, phthalates, lead, or other toxins
- Doesn’t retain or impart flavors
- Slim design fits in most cup holders
- Hand wash only