From Corkcicle

Make every day refreshing with our Classic Tumbler, aka the coolest cup ever. Crafted from stainless steel with proprietary triple insulation, it keeps contents cold and refreshing for 9 hours and hot for 3. Stays cold even longer with drinks containing ice. Plus, it comes with a sliding, shatterproof, see-through Lid.

• Cool for 9 hours, hot for 3
• Triple insulated
• Sliding, shatter-proof crystal clear lid
• Stay-put silicone bottom
• Easy-grip, flat sides
• Stainless steel