Material: Wheat berry Microwaveable (Permanent use) -Microwave the stuffed animal for 30 seconds -Make sure the surface of the animal is clean before microwaving -It is possible to have some moisture on the product at first few times (due to the wheat) -Before re-heating, make sure the product is completly cooled down -After heating, you will enjoy the scent of aroma -The warmth lasts for 30-50 minutes