1)Do not soak in water, this will reduce the durability and useful life cycle.

2)Do not use with direct heat sources; naked flames, electric cooker, grill, or ovens.

3) Microwave oven Care & Use:

Never use any Green Map Product in a microwave. 

Recommend reheat temperature: Use Minimum Power Setting Only!

Recommend reheat time: Do not exceed 3 minutes. 

Washing before use it.