Usage Directions / Dosage: Microwave: For defrosting and reheating foods: place bag on a microwave safe plate or dish. Open slider at least 1 inch to vent air. Do not overheat food or bag may melt and break. Not for roasting, baking or broiling.Warnings/Caution: Choking hazard - children may be able to tear slider from bag and choke on loose slider. Immediately discard any loose sliders. Not for children under 3 years.