Algorithm Stationery Template Set A modern, clean premium stationery template set. Created with customization in mind with detailed and clearly labeled layers. Just the thing to impress your next client. Included with this bundle is one two sided business card template, one two sided envelope template and one letterhead template. CMYK, 300 DPI and print ready. It doesn’t get easier than that! All included templates are in US sizes: – 8.5″x 11″ ( 8.75″ x 11.25″ with trim ) Letterhead Template – 2″ x 3.5″ ( 2.25″ x 3.75″ with trim ) Business Card Templates – 4 1/8″ x 9 1/2″ #10 Commercial Envelope Template.