[Airtight Seal: This mason jar vacuum sealer removes air from jars creating an airtight seal to preserve freshness and extend shelf life. Versatile Design: Compatible with wide-mouth and regular-mouth mason jars allowing you to vacuum seal a variety of foods and dry goods. Easy Operation: Simply place the vacuum sealer lid on the jar press the vacuum button and the air is removed in seconds. Compact Storage: Vacuum sealed jars take up minimal space in pantries or cupboards compared to bulky packaging. Reusable Lids: Durable vacuum lids can be used repeatedly making this an eco-friendly and cost-effective food storage solution.]