Itoya Japanese Letter Paper, One-Sheet Double Envelope, Long No. 4, AN-251

This double envelope offers a sophisticated look and prevents letters from showing through easily. The cotton paper material is a soft-touch blend of pulp and 25% cotton. It's a high-quality envelope suitable for formal occasions. Please use it as an envelope for single-page letters. <Notice of Specification Change> The paper composition ratio has been changed as of May 2024.