Our ice cube trays are made with food grade silicone, safe use. Easy release and easy clean, also dishwasher safe. With removable lid, avoid spilling well, and make nice cubes and no odors With 4-Ice Cube Molds, you will get 4 small size 1.8l*1.3h'' diamond-shaped ice cubes, slowly melting in your drinks and it is very fun to make ice cubes with kids Safe Use; Safe temperature for the ice trays is -104℉ to 420℉, it is safe use in freezer, microwave, oven and dishwasher. It is reusable, can be used many times Not only it can make ice molds to chill your favorite scotch,whiskey,cocktail, bourbon, also great as chocolates/candy/ soaps/cake molds and perfect for meal prep, baby food, portion control Easy to use; comes with funnels, easy to fill the water, soda, herbs, fruits or juice, and just put it into the freezer, you will have perfect ice cubes