This Japanese-style steamer is made of natural Japanese cypress. It allows more steam to pass through than those with a solid bottom, resulting in fluffy steamed food. It does not have a lid. Inner diameter: Approximately 25cm Depth: Approximately 18cm 【High-Quality Wooden Steamer】 This steamer uses excellent wood, making it durable and long-lasting. It's perfect for steaming and enhances the flavor of the ingredients.