The sealed bag is made of food-grade silicone, BPA free and odorless. It's reusable and easy to clean. It has a heat range of minus 40 degrees Celsius to 230 degrees Celsius and can be refrigerated or slow-cooked in hot water.

Material: Silicone

Item Size: Length:7 1/4:in; Width:4 3/4:in; Thickness:1 1/4:in;

Imprint Method: Silkscreen

Imprint Size: 4in wide x  3in high