Our Jar Vacuum Sealer Kit is for food preservation. The food-grade 304 stainless steel material your food remains safe. The vacuum sealing feature provides an airtight seal, keeping your food fresh for longer periods.Features-Color:Silver-Material:Stainless steel, ABS-Mouth Vacuum Lids Size:7.40X7.40X1.60cm/2.91X2.91X0.63in-Wide Mouth Vacuum Lids Size:8.90X8.90X1.60cm/3.50X3.50X0.63in-Air Pump Size:17.50X7.20X4.70cm/6.88X2.83X1.85in-Constructed from stainless steel, this product and environment for food storage, making it ideal for health-conscious households- vacuum seal mechanism significantly extends the shelf life of your food, keeping it fresh and flavorful for longer periods-Designed to fit a variety of jar sizes, this versatile product adapts to different storage needs, providing a flexible solution for your kitchen-Handheld vacuum sealer jar accessories jar vacuum sealer kit wide mouth jars vacuum pump vacuum jar storage for kitchen use-The effective sealing capability of this product prevents food spoilage and degradation, ensuring that your stored items remain in optimal conditionPackage list: 2 x mouth vacuum lids2 x wide mouth vacuum lids1 x air pump