Innovation? You Be the Judge

An interesting replacement for those sleeves that come with a hot cup of coffee. From the video, I'm not sure these are perfected - they look more like art than a functional sleeve.

1st Prototypes of the thin stackable Heatswell Coffee Cup with Hot Beverage Activated insulating band. 100% real working prototypes. No trick photography! For more info... http://www.amronexperimental.com/Heatswell.html

Via Make