Choosing One Piece Valve for Better Fit, Flow, and Long Term Reliability
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 one piece valve is a strong example because small changes can affect the result. The right design can reduce waste and improve control