1,100%silicone 2.FDA,LFGB,SGS approved 3.Eco-friendly,waterproof 4.silicone egg former The material is suited for FDA & SGS testing It's safe for food and dishwasher, microwave, oven and freezer Standing temperature: -40 to 230 degrees Celsius Non-stick finish Available in various colors Cools quickly and easy to clean OEM orders are welcomed newest silicone egg holder(HB440)