1.:Made of food-grade silicone, our Silicone Freezer Trays are built to last. They are BPA- and for both the zer and the dishwasher, making them a convenient and choice for your kitchen,ensure your frozen creations are for consumption. 2.Easy release design:Say goodbye to struggling with stubborn frozen food. Our Silicone soup Freezer Trays feature an easy release design, Easily frozen remove blocks by simply pressing down on the bottom of the compartment,allowing you to Effortlessly pop out your frozen creations without any hassle. 3.Convenient Storage and Less Stringing of Flavors: Each Soup Freezer Containers comes with a lid, ensuring a secure and hygienic storage solution for your frozen creations. Designed with a lid to seal the environment from other food flavors in the refrigerator and prevent cascading. 4.Steel Rings Reinforced, Not Easy To Spill: The soup zer tray is embedded with a reinforced stainless steel frame inside to make it more stable, allowing you to move the liquid filled zer tray without worrying about warping or spilling (NOTE: Not microwavable, can be put in the oven). 5. Enduring and Practical: Our Freezer Storage Containers with lids are designed to withstand zing temperatures, making them perfect for meal prep and long-term storage in the zer. Safe for dishwasher,fridge,zer,oven. (Note: remove the plastic cover before placing in the oven)