Interior message: Wishing you the happiest Mother's Day. Printed on recycled, FSC-certified uncoated cover stock in the USA. Paired with recycled kraft envelopes. A2 card dimensions: 4.25" x 5.5". Please note that our greeting cards are printed with suggested retail price on the back. If you prefer the added protection of cello, please note the option to add. Our cello jackets wrap around the card and envelope in a book cover-like style, allowing for the card's interior greeting to be visible.