The small Kastehelmi jar By Iittala is designed by Oiva Toikka. Kastehelmi from 1964 is characterized by the small glass beads that also have given the series its name. "Kastehelmi" is the Finnish word for dewdrops. The beautiful jar is perfect for storing jewellery, food and other small items. It's made of glass in different colors and has a lid of plastic.