Made from durable, toughened glass, the KeepCup Brew Cork Polaris features a natural cork band. Made in Portugal using waste product from the wine cork manufacture, the band is beautiful to hold. 

We recommend that you do not remove the band, even for washing. Hand wash and let the band dry on the glass. 12oz

KeepCup are makers of the world's first barista standard reusable cup. Designed for drinking pleaure on the go - Reusable not disposable.