Material: Rubber + PP Size: 23.5*3.5cm / 9.17"*1.36" Color: Blue, Pink Food-Grade Silicone Material: This ice square block box is made of high-quality food-grade silicone, ensuring it is safe for food and beverages. It is BPA-free, and can be in direct contact with food. Versatile Use: Ideal for freezing a variety of beverages such as whiskey, cocktails, smoothies, juices, and mixed drinks. The ice cube produced can enhance the taste and quality of your drinks. Slow-Melting Ice Cube: Elevate your drinking experience with perfectly sized, slow-melting ice cube. These cube will chill your drinks without diluting them quickly, allowing you to enjoy the full flavor of your beverages. Space-Saving Design: The ice square block boxes are designed to save valuable refrigerator space. Their stackable design makes them convenient for storage in any kitchen or home bar. They are perfect for hot summer days, cold drinks, side dishes, and any occasion where a refreshing beverage is needed. Easy to Use: Simply follow the instructions to fill the box with water, place the wick in the box, fill it with purified water, and place it in the fridge. The straightforward process makes it easy to create your own customized ice cube for various beverages and occasions.