Say hello to the coolest cup ever. Crafted from stainless steel with proprietary triple insulation, this vacuum-sealed wonder cup just doesn't quit. It keeps your beverages cold for 9+ hours and hot for 3. Stays cold even longer with drinks containing ice, even out in the sun. Includes 1 Tumbler + 1 Tumbler Lid Slip-proof, silicone bottom Easy-grip sides Sliding, spill resistant lid