I just bought this and used it once. I am selling it because it did not fit the size of my family's nukadoko container. From the product page: [Product Overview] Not dishwasher or dryer safe [Product Details] Brand: Ikenaga Iron Works Product Type: Home & Kitchen Product Name: Ikenaga Iron Works Water Drainer Mini, Southern Ironware, Easy to Remove, Water Drainage, Iron Supplement, for Nukazuke, Made in Japan Manufacturer: Ikenaga Iron Works Product Number: 27649 Product Contents: Φ6.9 x H4.8cm (Bottom diameter Φ4cm) Product Type: Water Drainer