Paper Accents -- 50 Large Cards & Envelopes Super Value Pack: 7x10 (Fold to 5x7 A7 Size) + 50 Matching Envelopes. 65# stock. White -- 50 sets. Product Information: Super Value Card & Envelope Packs are a great way to send a personalized message. You can decorate them using, rubber stamps, rub-ons, stickers and much more! Acid free, lignin free, buffered, archival quality heavy card stock. 5x7 A7 50-set White Card/Env Pack.