37mm Composite Vacuum Cap – NEW!

FSGrand new 37mm composite vacuum cap with safety button combines the benefits of aluminum and plastic which light weight, not rust, safety and heat resistance.


1. For tightly sealing and no rust issues.
2. With Safety button.
3. 121 Celsius High-temperature resistant.
4. Keep the product vacuumed.
5. Composite with aluminum and plastic.
6. Printing logo available.

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48 Hours Salty Water Test