- Electric Vacuum Pump: Eliminate the hassle of manual sealing. Simply place the Mason Jar vacuum sealer on your jar, press down to secure the lid, then press the button. In just 30 seconds, your jar will be vacuum-sealed. - Versatile Compatibility: This vacuum sealer works with both wide mouth and standard mouth mason jars. For standard mouth jars, insert the converter, align it with the release symbol, and tighten it clockwise until it locks into place. - Enhanced Food Preservation: Constructed from durable ABS plastic and food-grade silicone, this vacuum sealer effectively removes air from mason jars. The vacuum environment keeps your food fresh longer, reducing waste and maintaining quality. - Portable Design: With a built-in rechargeable battery, this vacuum sealer operates without additional power sources or cables. Its compact size makes it easy to pack in a suitcase or backpack, ideal for traveling or picnics. - Practical Applications: Perfect for preserving leftovers, storing bulk purchases, or preparing meals in advance. Keep snacks fresh on road trips or ensure your picnic food stays safe and delicious. - Reliable Performance: Designed for consistent use, this vacuum sealer ensures straightforward operation and long-lasting durability, making it an essential tool for any kitchen or outdoor adventure.