Make every day refreshing with this Corkcicle 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 Lid. Cool for 9+ hours, hot for 3 Triple insulated Sliding, shatter-proof lid Stay-put silicone bottom Easy-grip, flat sides Stainless steel Length: 3.46in Width: 3.46in Height: 6.89in Weight: 0.78lb