1. [Silicone Freezer Molds]Silicone zer trays with lid each compartment is marked with a clear fill line, ½ Cup(125ml) and 1 Cup(250ml), Easy distribution of the right amount of food, Ideal for zing soups, sauces, broths, leftovers, ice cubes, meal prep. 2. [Easy Meal Prep]Silicone soup zer molds make zing, storing and reheating food easy and convenient. just reheat the frozen ice cubes in the microwave or in a saucepan. 3. [Food Grade Material]Silicone zer molds are made of premium food-grade silicone, BPA-Free, reusable, odorless. Silicone zer containers can withstand up to 428°F, Safe for use in the Fridge, Dishwasher, Oven and Microwave. 4. [Steel Ring Reinforcement]Soup zer containers has embedded reinforced stainless steel frame inside for extra stability, Allows you to move liquid-filled zer trays without worrying about warping or spilling.