Sustainable to extreme conditions also easy to clean Unique form makes ice cubes slide out easily HIGH-QUALITY SILICON: Keeping your family safe is important . These ice molds are BPA-free, so you can rest easy when you use this product. It's also dishwasher safe, making cleanup easier than ever! That also means you can get to the next big craft in no time! Of course, this fun ice cube tray is safe to set in your freezer as well. The sleek design keeps your ice spheres from touching to keep that perfect sphere shape EASY TO CLEAN - Our ice cube tray silicone is very easy to clean after usage. They have a smooth silicone surface for easy cleaning. It is recommended to wash and thoroughly dry the freezer ice tray before first usage. Our ice trays for freezer easy release can also be washed by hand or in the dishwasher.