This is a listing for 10 sets of new ↓. "15 Pingu Greeting Card THANK YOU Thank You" (Envelope & Message Card) Retail Price → 250 yen (excluding tax) 250 yen x 10 = Equivalent to 2500 yen Contents of 1 piece ↓ Each set includes a two-fold message card and an envelope. The envelope color is light cream. The envelope size is approximately 10 x 14.5 cm. The inside of the two-fold message card is blank. Since only "THANK YOU" is written on the front, I think it's a card that can be used for various purposes.