SC Johnson: A family company. Unbeatable freshness. Grip 'n Seal Technology. Microwave safe. Strong enough to use again. Fill, use, repeat. See bottom for details. A family company since 1886. - Fisk Johnson. Defrost & Reheat - Vent Bag 1. Compared to other freezer seal top bags. Environmental Facts: Bags are recyclable when clean and dry at drop-off bins at participating retailers.