Extra Large Peanut Butter Cup Chocolate Candy Mold Candy Making 182 FREE SHIPPING Cavity size: 3 1/2" diameter 2 cavities per mold All molds are suitable for Chocolate, Soap Making, Butter Molding, and Ice Cubes! These are not suitable for hard candy, they are not meant to withstand extremely high temperatures. FDA Approved Plastic / wash in warm soapy water (do not put in dishwasher), and they will last for years!