Easy meal prep: Save time in meal prep. The soft but sturdy material allows you to freeze and easily remove the food from the tray with little force Highest Quality Materials: Safe product made using 100% platinum silicone. BPA Free. Made in Korea Stackable lids: The product comes with a plastic lid, designed so that it can be neatly stacked and stored. The lid is transparent so you can easily distinguish the contents Easy-to-see Markings: Each cube has markings so you can accurately measure the food, according to your needs Simple cleaning: Clean using the microwave, dishwashing machine, and even simply boiling water Freezer tray made of 100% platinum silicone. For an easier meal prep.