1.Made of food grade silicone which is durable. Temperature tolerance from -40 to +446 degrees Fahrenheit (-40 to +230 degrees Celsius). Compatible with instant pot, oven, freezer, microwave and dishwasher. 2.Include 12 slot cavity. Each cube slot holds 2.5 ounce liquid, measures 6" X 7/8" X 7/8". slowly melting ice perfect for cooling your whiskey, tequila and other liquor cocktails fast. 3.Soft silicone allows ice cubes to pop out easily. Cube compartments are independent of each other, so you can easily push from the bottom. Fit for stainless water bottles which diameter is above 1 inch. Not for arrowhead plastic bottlers or perrier bottles. 4.Fill the trays with water and then slip the trays into the fridge. Besides water, you can fill the ice cube mold with fruits, pulp, juice, ice cream, soda and wine to DIY cubes to your favorite flavor. Versatile for multiple purposes from rods freezing to resin casting to pressure cooker use. 5.For flexible reason, we design the mold a bit soft, so you may easily un-mold. If you need a more sturdy support when transfer or move, you can put it on a tray or another mold.