These bioplastic cup lids are made from plants, not oil, and fit our 300, 360, 420, 500, 600, and 700ml Clear BioCups. The 60ml sauce cup also fits into the lid to separate ingredients such as sauce or muesli. Note: These flat lids have no hole and are for cold use only. PLA softens in higher temperatures. Store below 35°C and out of direct sunlight. Refer to our PLA Care Guide.