Made from food-grade materials, the dome of this egg cooker is made of PC and the shell is made of PP plastic. Both materials are BPA-free, safe to use, and extremely durable. Cleaning is also very simple: just remove the eggs and wash the parts with detergent and a sponge. Easy to Use: The egg cooker heats up quickly, so you don't have to wait long to enjoy your eggs. It features an auto-shutoff timer function, preventing further hazards once the water boils dry, making it very safe to use. Helpful Tips: Fill the measuring cup with water to your desired boiling level, press the on/off button once, and select the appropriate cooking time based on your needs. 8 minutes for a soft-boiled egg, 10 minutes for a medium-boiled egg, 11 minutes for a hard-boiled egg, and 15 minutes for a very hard-boiled egg. SIMPLE & PERFECT EGGS IN AN INSTANT: This electric egg cooker can steam two eggs simultaneously. The egg holder is detachable, making it very convenient. Hard-boiled eggs can be mashed and mixed with salads or added to sandwiches or burgers. Perfect Gift: The egg cooker is suitable for dorms, apartments, RVs, camping, and more. It's small and lightweight, making it easy to store in a drawer or simply use as a fun and simple addition to any kitchen countertop.