1.FOOD-GRADE SAFETY MATERIAL: Made of Silicone material certified by LFGB, these 3 small square ice cube trays safety and durability, excellent for crushed ice, coffee, smoothies, frappucinos, hard candy, and chocolate bites. 2.SMALL ICE CUBE TRAYS - Each crushed ice trays makes 160 mini 3/8" crushed ice cubes. Small enough for water bottles, safe and non-chokable for kids. Great for baby food 3.QUICK FREEZING AND FAST CHILLING - Ice trays make smaller ice cubes that will chill your drink much faster than cubes made by standard or large ice cube trays so you can enjoy that sweet cold first sip much quicker. Save your time 4.EASY ICE RELEASE & CLEAN - Flexible material shapes the bottom well, and you could bend it back and roll out the cubes, making it easy to release ice cubes. Smooth silicone surface makes it easy to clean. You could just put them into your dishwasher after use.