The silicone item is the most popular kitchen utensils, baking tools in European and American countries. The item can withstand temperature range: -40~230 F degrees celsius.It can use in oven, microwave ovens, dishwashers and refrigerators. Overall Mold size : 11.8*6.85*0.6inch(29.8*17.4*1.5cm) Hole Dia: 1 1/4 inch, Round is small Purpose:chocolate,cake decoration,resin carft EASY TO RELEASE: Non-stick surface and flexible, just pop out with pressed fingers, easy to release and clean, these silicone baking molds is impermeable, practicality and durability. WIDE HEAT RESISTANT RANGE: -104℉ to 446℉(-40℃ to 230℃)