This letter set is a unique way to write personal, handwritten letters your loved ones will be excited to open. No need for an envelope as you can fold it into an envelope. Write, fold, and send, whether to extend an invitation or catch up with a pen pal. 2 Designs, 6 sheets each. Total of 12 sheets with 12 stickers. 11 x 8.5 " (28 x 21.6 cm). Environmentally friendly tree-free paper. Instructions on folding included to fold the letter sheet into envelopes.