Keep your food fresh in HULOCK Vacuum Airtight Container!
How to use vacuum pump
Hulock is a vacuum airtight container that uses different methods from all other airtight containers.
Notice
Before using please make sure to check that there aren’t any foreign substances on silicone seal or valve area. Foreign substances on silicone seal or valve area can cause ineffective airtightness. If vacuum process is not working, please check again that the silicone seal & valve areas are clear.