This is an insulated thermal water bottle with a screw on vacum sealed lid and a drinking cup top.
Features
They are made of high-quality stainless steel with double walls and vacuum. These thermo bottles feature easy-to-clean screw tops for easy pouring. Each thermo also integrates an insulated drinking mug.
These bottles are available in your choice of solid colors - and three sizes - 0.3 L (10 ounces) , 0.7 L (23 ounces) and 1.0 L (34 ounces).
Keeps drinks hot for up to 6 hours and cold for up to 12 hours!
I do not know, but this one is very light, unlike those old Thermos's of years past. Although Thermos brand does make some nice ones also that are very light. nartreb has some.
rasgoat - Jan 28, 2007 4:36 pm - Voted 5/5
Greateven at the end of a full day of winter hiking the water was still hot (but not burning)
Very low profile and lightweight.