PURIST STAINLESS FOUNDER UNION BTL BLK 32 OZ

With technology inspired by the lotus effect, we transform silicon dioxide, one of the most fundamental elements on the earth, into a flawless interior glass finish that keeps drinks pure.

• Unbreakable interior glass finish
• Double-wall vacuum insulated
• Surgical grade stainless inner
• 12 hours hot / 24 hours cold
• Leak-proof