Stretches to seal out freezer burn. Marinating. Travel. Microwave (For defrosting and reheating foods: Open zipper about an inch (2 or 3 cm) to vent, and place bag on a microwave-safe plate. Do not overheat contents or bag may melt. Caution: Handle hot bag with care). Glad and Gladlock - the names you've grow to trust. Storage - gallon - quart. Freezer - gallon - quart. Sandwich. Stretches to hold 30% more (Compared to Glad gallon freezer bags). Helps keep your food fresher 3x longer (Based on moisture-loss data vs. no protection). Stretches to prevent rips and tears. Helps prevent freezer burn with a bag that stretches around food and seals tightly. Environmental Facts: Clean, dry bags are recyclable where facilities exist, including at participating retailers. Please recycle this paperboard carton.