Each card is handmade with high quality acid-free cardstock using laser-printing, archival adhesive and embellishments. Cards are all blank inside and are shipped with a recycled envelope in an eco plant-based cellophane sleeve. [card size] 4.25 in x 5.5 in - A2. [envelope color] recycled kraft brown. [envelope size] 4.375 in x 5.75 in - A2. [material] paper. [inside] blank.