Material:Food Grade Silicone;Each cavity dimension around 1.3x1inch/0.7x1inch;Color:it is Random color if no special note;Quantity:include 1 piece of mold;Heat Resistant Temperature -40 to +230 Centigrade (-40 to 446 F);Flexible and Reusable; Dishwasher-， refrigerator-， freezer- and microwave-safe.