Heat‐resistant glass. Maximum temperature differential: 120℃ / 248℉. Microwave and dishwasher safe.
Small: 2.8 x H3.0 x W3.1 in / 9.1 oz
Large: 2.8 x H3.7 x W3.1 in / 12.5 oz
Wash with care. Do not use abrasive cleansers or steel wool.