Boost your email opens with a punchy subject line. Sit up straight. "I use PosterMyWall to create flyers for the MANY non-profit organizations that we are involved with!" - Stachia Feel free to spin in your chair while you wait Don’t make ‘em yawn! Keep your emails exciting and brief. "Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula Keep your email subject line short and attention-grabbing. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email!