Vacuum 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; that’s two whole days.
 
This is the essential accessory if you have to attend any form of corporate board meeting that might last longer than 32 seconds. 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 so you can knock back your favourite Jack Daniels without the clowns around you suspecting a thing.