I go online, print out the digits, and tape them on the reverse side, so they show through. Then I take a ballpoint pen and outline the number (I am a chicken...

... ========================================== I've bought 3" die-cut numbers in the hardware section of Home Depot. They don't always have them. Not every...

Frank.      I have a sign maker that cuts out vinyl letters, and numbers. Send me your email, and I will send you the specs. ... From: Frank Vella...

I used clear Design Master floral spray to seal the sail fabric and then put the numbers on with a  Sharpie Industrial marker.  I bought a set of 3" number...

I use sticky back sail repair tape you can selecet your desired colour of repair sail tape to make your letters and numbers Generate the templates for numbers...

... Try JoAnns, Michaels or any craft store...

I used stencils and the spray floral paint to do my numbers. http://getstencils.com/plugins/albums/slideshow/slideshow.html?bgType=1&bgStyle=...

I got my spray from an Arts & Crafts store....

Michael's craft stores carries the Design Master floral spray. By the way, the Design Master colored floral sprays are good to add designs to the sails.  I...

... Frank I get the vinyl stick on numbers from Office Depot. They stick to basically anything as long as you stick them to a clean dry surface to start with. ...