Make every day refreshing with 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. This tumbler is great for drinks of all types, from water to wine and everything in between.