Allforhome(TM) 6 Hearts Silicone Soap Molds Cupcake Baking Mold Muffin Cups Polymer Clay Handmade Biscuit Chocolate Ice Cube Tray DIY Mold Food Grade Silicone; Heath Safe Material and Reusable; Heat Resistant Temperature -40 to +230 Centigrade (-40 to 446 F) Dimensions: 29.5*18.0*3.5 cm(11.6*7*1.37 inches) Cavity Size(Finish size): 7.2*7.2*3.3 cm(2.83*2.83*1.30 inches) Dishwasher-, refrigerator-, freezer- and microwave-safe