Does paper quality actually affect direct mail response rates?

Yes, the feel of a mail piece influences whether people engage with it. Heavier stocks carry a physical presence that makes recipients pause instead of tossing the piece with the rest of the mail.

• Tactile impression: stocks from 16pt to 32pt feel substantial and signal quality.
• Emotional processing: USPS research has found physical mail triggers stronger emotional response than digital ads.
• Perceived value: a premium stock makes the offer itself feel more credible.
• Standing out: a thicker card gets noticed in a stack of thin, flimsy mailers.