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 Lid. Slip-proof, silicone bottom, cold for 9 hours, hot for 3. Easy-grip, flat sides, Triple-insulated, Free from BPA.