Personalized Custom Greeting Card In Braille. When was the last time you thanked someone? Checked up on them, letting they know you are thinking about them. Well it is never too late to give someone a personalized handmade greeting card in braille that will leave them smiling and happy! Specifications: Greeting card size: 5” x 7” Envelope size: A7 Material: Premium 110-lb. card stock How to order? The process is pretty simple. Click on the “Customize Now” button & add your personalized message. Make sure to add both the message you would like on the cover of your card & the inside. Maximum character limit allowed is 300 characters with space & punctuation.