These 8" x 12" 3 Mil co-extruded vacuum seal bags with black back are engineered for commercial vacuum packaging operations that demand consistent performance and product protection. Manufactured from multi-layer co-extruded film, these commercial vacuum bags provide an outstanding oxygen and moisture barrier to help extend shelf life and maintain product quality. Their 3 Mil thickness delivers a strong, durable structure that resists punctures and tears, making them suitable for a wide range of food and non-food applications in processing plants, institutional kitchens, and packaging rooms. Designed for compatibility with chamber-style vacuum sealers, these 8" x 12" co-extruded vacuum seal bags offer dependable sealing and clarity that allows easy product identification and barcode scanning. The high-gloss, transparent material showcases contents while maintaining a professional appearance in refrigerated and frozen environments.