Pour drinks into these cheerful Konges Slojd glitter cups. These glittery cups are made of polyethylene terephthalate glycol (PCTG) and have a filler of distilled water and polyethylene terephthalate (PET). These cups are not dishwasher or microwave safe. Tested and compliant with EU food contact regulations 10/2011 and 1935/2004.