Glass construction. 500ml. Suitable for use in a dishwasher. We recommend hand washing using a soft cloth or sponge and mild dish soap to prolong the product's lifespan.. Regular dishwasher use can reduce the clarity of the glass over time, resulting in a cloudy or dull finish.. Not suitable for use with hot drinks.. Not suitable for use in a microwave, freezer, or oven.. TNSF-WH9. TCS344012.