This rice porridge cup, made of heat-resistant Pyrex glass, allows you to easily cook rice porridge in a rice cooker. - Product Name: Rice Porridge Cup - Material: Heat-resistant glass (Pyrex) - How to Use: Easily make rice porridge in a rice cooker - Accessories: Lid, silicone holder, spoon, net Thank you for viewing. This item is new and unused, and the box has not been opened. However, it has been stored at home for many years, so please understand this before purchasing.