Silicone Alphabet & Number Trays Mold by Traytastic! You will receive (1) set of Traytastic Silicone Alphabet Trays - which contains (3) letter trays of A-I, J-Q, R-Z and you will also receive (1) Traytastic Silicone Number Tray of 0-9 Great for molding ice, butter, chocolate and other delicious food! Oven-safe to 446 degrees Fahrenheit and Freezer-safe to -40 degrees Fahrenheit Letters and numbers are mirror-image so the smooth side is up! Made of durable, flexible silicone - dishwasher safe Dimensions: 7 inches x 4.5 inches