Food safe grade silicone material This extra large ice cube mold is made from high quality food grade silicone. It does not release any chemically reactive substances into the water, is skin friendly, and environmentally safe. The material is durable and can withstand extreme temperatures for long lasting performance and stability. Reusable and economical An 8 lb silicone ice cube mold that is reusable and affordable. You do not need to spend extra time and money buying ice from the store. Freeze for 12 to 24 hours to get perfectly large ice cubes, providing a cost effective and efficient cooling solution. Versatile uses Great for filling coolers to keep food and drinks cold for longer. It can also be used as a soap mold. Ideal for beach trips, camping, hunting, grilling, fishing and more. Keeps your ice bathtub cold Eight pounds of ice cubes help keep your ice bathtub cool for an extended period, so you can enjoy it longer. It is a reliable choice for owners of ice bathtubs and portable cold soak tubs. Quality guarantee Our large silicone ice cube trays are strictly tested for quality. They come with all around after sales support to ensure customer satisfaction and reliability.