This large silicone 2 in 1 ice bucket and ice mold are made of high quality food grade silicon, TRP and PP. It provides health and longevity. It is 100% safe. The compact size is ideal for outdoor and indoor use. The outer chamber freezes ice cubes, while the inner chamber holds them. It is quite convenient. Add water to the edge of the ice bucket and let it drip down along the edge, click on the bucket to drain the bottom water, then put the lid on and place it in the refrigerator. If you need more ice cubes, just Fill and freeze another batch of ice cubes. Plus, it has a dishwasher safe design, you can clean it easily.