Say hello to the coolest cup ever. Crafted from stainless steel with proprietary triple insulation, this vacuum-sealed wonder cup just doesnâ€™t quit. It keeps your beverages cold for 9+ hours and hot for 3. Stays cold even longer with drinks containing ice â€” even out in the sun. With its easy-grip sides, no-slip bottom and shatterproof, drink-through lid, youâ€™ll enjoy stylish, spill-free sipping every day.