Rtteri Silicone Baby Food Freezer Storage Containers Tray with Lids are designed for freezing homemade baby food in a safe and practical way. Made from quality silicone material, these trays are heat and freeze resistant, and can withstand temperatures from -20°C to 230°C. They are refrigerator, freezer, microwave, and dishwasher safe. Each tray has 9 portions, making it easy to control portions and avoid waste. The trays are versatile and can be used for frozen fruit puree, homemade baby food, breast milk, jelly, juice, and even ordinary ice cubes.