Heart ice mold have 21 cavities in total. Easy to fill with any liquid with no spill.  BPA-free. Heart ice cube tray is made of food grade silicone and pp material. Non-stick blue silicone for easy release and quick cleanup Easy to use, with just a little push from the bottom or simply twist the tray to get the cubes out. Stackable and do not take up a lot of space Silicone heart mold has a lid which is easy to attach and stops spillage in the freezer, also keep the food fresh and free from contamination A cute heart ice tray for making heart shaped ice cubes, candies, jello shots, baby food, crayons and all other heart shaped treats Tips: the ice trays are silicone, so not ridged like plastic trays. We suggest to put it on tray or use the lids as a base to transfer filled trays to freezer, then as covers once heart ice cubes are set