2pk Silicone Ice Tray is an ideal Ice Stick Shape for Most Bottles: Regular ice cubes cannot fit through the openings of most water bottles. However, our ice sticks can be placed into sports cups to keep water chilled for an extended period. Even during outdoor activities, you can enjoy cold water whenever you like. Leave the ice cube tray at room temperature for a few minutes and you will find the ice cubes are easy to remove. Ideal Ice Stick Shape for Most Bottles: Regular ice cubes cannot fit through the openings of most water bottles. However, our ice sticks can be placed into sports cups to keep water chilled for an extended period. Even during outdoor activities, you can enjoy cold water whenever you like. Food-Grade Silicone and Easy to Clean: Made from food-grade silicone, soft and safe for use with drinks or baby food. It is suitable for use in the freezer, oven, dishwasher, refrigerator, and microwave and is easy to clean. Versatile Use: These versatile trays can be used not only for making ice sticks but also for candy, biscuits, chocolates, cakes, bread, mousse, jelly, pudding, and more. All these snacks can be made using this silicone tray, allowing you to create treats for your kids and pets.