Product information: Features: breathable, not easy to deform, firm and durable Bottom diameter: 9.5cm Color: 8050 bamboo hat-iron wire-rock White, 8050 bamboo hat-iron wire-rock White B13 base, 8050 bamboo hat-iron wire-pink Blue, 8050 bamboo hat-iron wire-pink blue B13 base, 8050 bamboo hat-iron wire-mung bean, 8050 bamboo hat-iron wire-mung bean B13 base Material: Ceramic Manufacturing method: high temperature firing