The Bee & the Butterfly Note-card (24 Cards and Blank Envelopes) Premium 110# Classic Crest Cover Stock Quality Matching Blank Envelopes Flat size is 6" x 8.5" and after folding 6" x 4.25" - Cars are blank on the inside. These cards are designed for writing on the inside of the card. Cards are scored and packed flat for easy personalization.