Benefits
1. Could be used with varies of jars, glass bottles, plastic bottles, canisters, etc. allows you to transform nearly any jar into a vacuum sealed container.
2. Good airtightness on container, keeps air out and provides 5 times longer freshness for the food.
3. Reusable, durable and resalable, save cost.
4. Dishwasher, refrigerator and freezer safe.
5.Two size for choose ：φ 100mm & φ 200mm