- Made in Finland - Made of Kareline natural fiber composite using ecologically produced energy - Contains 50% pine pulp and 50% plastic - Machine washable - Made with EKOenergy - The material is recyclable - Included: leather lanyard Kupilka products are not microwave oven safe. They are food grade items when used with cold and hot drinks and foods. The appearance of Kupilka products is created by industrial designer Heikki Koivurova, whose style combines an earthy attitude with beautiful yet practical design. Kupilka products meet the following requirements for materials and articles intended to come into contact with food: the general and traceability requirements of Regulation (EC) No. 1935/2004, Regulation (EU) No. 10/2011, Regulation (EU) No. 2023/1442, the Finnish national regulation 268/1992 (Ministry of Trade and Industry), Regulation (EC) No. 1907/2006 (REACH), Regulation (EU) No. 1272/2013, Directive (EC) 94/62/EC, and Regulation (EC) No. 2023/2006.