The large Oiva mug is made of white stoneware that is dishwasher, oven, microwave and freezer proof.Marimekko’s famous poppy pattern Unikko was born in 1964 in a time when the design house’s collections featured mostly abstract prints. Designer Maija Isola wanted to create something interesting from this organic theme and designed an entire range of floral prints. Today, the iconic flower represents creativity.Please remove the sticker from the bottom of the product before use. The sticker contains a small amount of metal.