Description This set of 25 Clairefontaine self-sealing envelopes match the A4 sized Clairefontaine Triomphe stationery pads, and feature an opaque grey liner for security. The A4 paper fits best when you fold each sheet into thirds. The envelopes are fountain pen friendly, made of 90gsm paper and measure 4.375 inches tall by 8.625 inches wide. Clairefontaine products are made in France. We offer Free Shipping on all orders over $59 for US customers, and for orders over $250 for our Canadian customers.