Kitchen Home timers, Mechanical Reminder, Kitchen Baking, Cooking Reminder Features Non-Toxic, No BPA, No BPS, No BPF, No Chemical Smell. Food boiler timer is made of food-grade unsaturated polyester resin and temperature-sensitive paper, super safety. Best Reading Experience. Considering the refractive index of water, we offer a clear view and easy reading when submerged in water, you can get a safe quick visual indicator of what's going on inside the eggs. Wonderful Gift: Novelty and fun boiled Food timer, highly recommended for those who has trouble boiling the perfect eggs. Great gifts for family, friends, Easter, Mother's Father's Day. Do you have had the worst time making hard/soft boiled eggs? Our creative Food timer for boiling eggs calculates cooking stages precisely by temperature ensure your eggs are done to your liking. No more guessing! You just put the timer into the water and heat it with eggs, the timer will change colors to indicate when the boiling eggs reach the soft, medium and hard boiled stages. Package including： 1 x Kitchen Timer Bakeware Sets Ceramic Bakeware Kitchen Essentials Bakeware Silicone Bakeware Bakeware Set Bakeware Sets Ceramic Bakeware Kitchen Essentials Bakeware Silicone Bakeware