Food-Grade Silicone Material: Made from premium food-grade silicone, these ice cube trays are non-toxic, food-safe, hygienic, and quality-assured molds; rest assured using these ice cube trays to make your DIY creations. Removable Lids & 100% Sealed - To avoid diluting flavors and contamination in the refrigerator, we use removable silicone lids. This is because the volume will increase during the freezing process, and ice cube trays with lids... Fast & Flexible Ice Removal: Each ice cube tray holds 15 cubes, 3-pack totaling 45 cubes; the anti-stick design on the bottom makes releasing ice cubes easier. Easily pop out ice cubes by pressing the bottom without bending or twisting. Dishwasher Safe & Reusable: These ice cube trays are reusable and washable; they can be safely placed in the dishwasher, freeing your hands and saving you time.