High Quality Food-Grade Safe Material:These ice cube trays made of food-grade silicone and PP safe material,BPA free.This 4 ice trays very safety and durability,each ice tray makes 21 nice-sized hemispherical ice cubes for a total of 84. Easy-Release & Stackable:The bottom of the ice cube trays with removable lid is made of flexible silicone, and each ice cube compartment is separate, so you just press the bottom of each cube on the tray and the ice cubes pop out of the ice trays very easily.The removable lids are perfect, for keeping the ice cubes from absorbing other food flavors in the freezer and to stack without spilling or sticking togetherMulti-Purpose Use:This ice cube trays can use not only water, but also fresh juices (lemon, lime, pineapple, etc.), drinks, red wine, etc. so you can customize your favorite frozen drinks, you can also use these ice trays to freeze homemade Baby food,homemade is way more nutritious, enjoy the fun they bring to youDishwasher Safe & Reusable:These silicone ice cube trays are so easy to clean and also easy to use. After use, you can wash put them into the dishwasher, safe and reusable. They are great for home use, party and bar etc. They are also a best gift for your family and friends, enjoy the cool feeling togetherColor: 2 green and 2 blue