Brand new! Sillycone 10 Cavity Numbers mold - one cavity each for 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9. Cavities measure approximately 1 3/4 x 1 1/8 x 3/4 inches on average. Silicone bakeware - these are molds that are colorful, educational, flexible, and non-stick (although we still recommend spraying just in case). Oven safe and freezer safe from 550 degrees to -50 degrees F. Could be used for cakes, brownies, ice cubes, or even crafts! Trays don't retain odors or flavors, and they are dishwasher safe. They have cleaning instructions.