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. With its easy-grip sides, no-slip bottom and shatterproof, drink-through lid, you'll enjoy stylish, spill-free sipping every day. Hand Wash only. Contains one tumbler and one clear lid.