5-pack of C5 envelopes of the highest quality. The envelopes feature a textured exterior and a smoother interior for an exclusive yet practical profile. Made in Europe from acid-free and pH-neutral paper. The size fits an A5 sheet or an A4 sheet folded in half. Papperix offers A5 cards that fit perfectly in C5 envelopes. The envelopes are an elegant cover for fine invitations and special greeting cards.