Copper Vacuum Insulated Bottle, 22oz For AliceVacuum insulation is a big deal if you care about beverage temperature change. Double wall construction means that hot liquids can remain hot up to 12 hours while colder choices can last a full 48 hours; thats two whole days. Furthermore, these bottles are condensation proof no sweating or slipping. Built to fit standard vehicle cup holders, the stainless steel sides are both scratch and fade resistant. .: One size: 22oz (0. 65 l) .: Spill proof