How to Test Silicone Valve Seal Before Moving Toward Larger Production

https://dripfreeflowblog.tearosediner.net/how-to-compare-no-drip-valve-options-for-a-new-packaging-project

Custom parts can help a product feel easier and cleaner to use. The silicone valve seal is a strong example because small changes can affect the result. The right design can reduce waste and improve control