... grease, fat, oil, margarine, butter because the adjustable Egg Ring is 100% Teflon® non stick - ... , margarine, butter! Nothing sticks to the Teflon® adjustable Egg Ring, its magic!Versatility of UseNon stick / ... the Teflon® non stick surface, saves hard work!- Oven, pan, microwave and dishwasher safe - no need ... , hot-air, microwave- heat-resistant up to 260°C (500°F) - excellent heat transfer - easy to ...