Weathestripiping ID help

A quick learner from NJ says:
WHICH TO USE? PILE? BUBBLE SEAL? HOW DO YOU KNOW THE CORRECT SIZE WHEN THE FIN IS FLEXIBLE, NOT A RIGID PLASTIC? WINDOWS ARE NEW AND WE CAN SEE DAYLIGHT THRU THE WEATHERSTRIPPING. ADJUSTING WINDOWS / TIGHTENING WINDOWS ARE NOT AN OPTION.

THANKS FOR YOUR HELP!
User submitted photo of their wool pile weatherstripping.
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Tom from SWISCO responded:
Thank you for posting.

We have a 9/32" base with a 5/16" height, the Swisco 58-099 Wool Pile. This would work if you're looking for something a bit taller to block out daylight/air flow.

We also carry the 58-105 Wool Pile, which has a 9/32" base and 11/32" height.
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