1. 1. Do not use in microwave ovens, dishwashers and ovens! Do not use boiling water for disinfection. Use warm water for cleaning. The water temperature should not exceed 70 ℃!
2. After the product is taken out from the refrigerator, it must be placed at room temperature before it can be vacuumized again!Hot expansion and cold contraction will lead to box cracking!
3. The vacuumizing effect can be achieved after 3~5 times of vacuumizing, so it is not advisable to pump more.