FOOD-GRADE SILICONE: Egg yolk separator made of food-grade soft silicone, environmental-friendly & healthy, safe for food contact. Flexible silicone ensure durability and wear-resistance, not easy to break. Easy to clean, just rinse under faucet. HOW TO USE: Step 1: place the egg white separator over the bowl (The diameter of the bowl must be less than 5.4). Step 2: crack the egg into it one at a time. Step 3: Wait for a few seconds to completely separate the egg yolk and white. Finally you will attain the satisfactory egg separation. EGG SEPARATION: The egg white slides through the three slits while the yolk remain intact. (Only break one egg at a time) RECIPE: With these egg separator, you could whip the whites, so that could bake a lot of pies, cakes, puddings, egg white omelets, egg white pancake which require separation of egg yolk or egg white. EASY TO SEPARATE: Egg separators for yolk makes separating yolks from white a breeze. This egg separator makes it easy to separate egg white from yolk. Thoughtful gift for whose only eats the egg whites or yolk. 4PCS egg white separator from yolk could separate more eggs faster.