Food-grade (FDA standard) Silicone. Select 2 or more quantity to see what happened for shippping fee from Allforhome? * Heat Resistant Temperature -40 to +230 Centigrade (-40 to 446 F) * Finished Size(cm): mini flower:3.9*2.9*0.7cm * Good quality and easy to use and clean * Candy making and handmade soap making