Furukawashiko Today's Letter Cat Mug comes with a set of lined notes you can send to someone special. Made from beautiful lace-like Rakusui paper, use these notes for heartfelt messages or elegant money envelopes, a cherished Japanese tradition. 
 
Letter paper (H170×W79mm): 4 sheets included
Vertical envelope (H180×W90mm): 2 sheets included
Package size (H184×W95×D3mm)
Materials: 美濃和紙 Mino washi paper (letter paper and outer envelope), paper (double envelope that does not show through the contents)
Made in Japan