Food-grade Safety: Made of food grade silicone and PP plastic to ensure absolute food security. Our ice ball mold are of no toxins or harmful ingredients, so you can rest assured to use the ice tray without any worries or doubts.Best kitchen tools for Halloween party. Effortless Release/filling: A mini funnel makes filling easily without leaking and avoids over-filling. Silicone ice trays wont crack or break like stiff plastic molds after freezing. Soft material and quick open buckle design make release effortlessly. Stable and Durable : Hard plastic tray makes it steady to move and take while full of water. Balance design at the bottom prevents leaning. Our ice maker molds stand a wide temperature range from -40 to 446. Dishwasher and microwave oven safe. Multiple Applications: You can use the round ice trays to cool your drinks and make summer delicacies, such as popsicles, puddings, fruit jellies, and colorful fruit juice, alcohol infusions, or add edible flowers, lemon slices or lime wedges to the water.