Purchased in December 2024. It has been stored in the cupboard without being used. It is heat-resistant glass. Size: Diameter approx. 8 cm, bottom approx. 4.5 cm Height approx. 9.7 cm This item is from glassatelier m, who creates everyday-use glassware in Sakai City, Fukui Prefecture, and captivates many people with its unique beauty.