It is a small letter from Mino Washi "Soebumi Note". The easy-colored paper with a one-point illustration like a hanko is cute! Each sheet has 7 lines, so it is recommended for those who are not good at writing long sentences.

[Size]
Stationery: W72×H114mm
Envelope: W80×H120mm

[Number of sheets]
Stationery: 30 sheets
Envelopes: 5
sheets
[Material]
Mino washi