Material:Food Grade Silicone;Dimensions: 28.0*21.0*3.5 cm(11.0*8.3*1.4 inches);Cavity Size: 11.0*10.0*3.5 cm(4.3*3.9*1.4 inches);Color:it is Random color if no special note;Heat Resistant Temperature -40 to +230 Centigrade (-40 to 446 F);Cavity Size(cm): 11.0*10.0*3.5;Non-toxic and environmentally friendly， Suitable for: oven， microwave， refrigerator， etc..