Choosing Silicone Valve Seal for Better Fit, Flow, and Long Term Reliability
https://siliconepartsblog.huicopper.com/no-drip-valve-basics-for-cleaner-packaging-and-better-customer-use
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