This gorgeous mini letter set is so tiny and so freakin cute! There are 15 envelopes (10 x larger and 5 x smaller ones) as well as 20 sheets of writing paper. There are also 6 little gold stickers/envelope seals for that cute finishing touch!
(Larger Envelope) about 70 × 110 mm / 10 sheets
(Small Envelope) 50 × 70 mm / 5 sheets
(Writing Paper) 90 × 125 mm / 20 sheets
41 pieces altogether!

Official Crux Japan product. Made in Japan. Vintage 2017