100% BPA Free Food Grade Material--These ice cube trays consist of food-grade silicone bottom and PP lid, BPA-free, safe and reusable, rest assured to use it for adult/baby food. 2-pack ice cube trays create Durable & Quality--High-toughness silicone bottom ice cube trays are unlikely to crack or break like stiff plastic trays after freezing. Resistance to low/high temp (-4?~212?), safe in dishwasher. Widely Use--Fill with mint, fruit, yogurt, or juice to create ice cream, popsicles, baby food or jelly. Also make pure ice balls to chill your whisky, cocktail. Enjoy cool summer with cool ice trays.