Food Grade Silicone;Heat Resistant Temperature -40 to +230 Centigrade (-40 to 446 F)Mold size:24.5cm x 18.5cm x 1.5cm;each;each cavity appro:2.2cm*2.2cm*1.3cm(0.8*0.8*0.5)inchColor:Send randomly if no special note(Most is Pink Green or Blue)Flexible and Reusable; Dishwasher-， refrigerator-， freezer- and microwave-safe