IL-HK-1111 Made of 304+316 grade 18/8 stainless steel. BPA free, highly rust resistant and absorbs odor, smell or bacteria. Features: Double wall vacuum sealed insulation keeps your beverages cold for up to 24 hours and hot for up to 12 hours. The exterior is not affected by hot liquids or condensation. The transparent lid seals tightly while allowing you to see the tumbling inside. Capacity: 800ML. Please check with us for the best rate of customization.