Stainless Steel Construction: The stainless steel and ABS shell ensure durability and resistance to corrosion, making it suitable for long-term use in various environments. 300mm Seal Length: A 300mm seal length allows for sealing larger bags, providing versatility in packaging different sizes of food or items. -80 Kpa Vacuum Pressure: High vacuum pressure of -80 Kpa effectively removes air from the bags, preserving the freshness and extending the shelf life of the sealed items.