Neenah Classic Crest Solar White A6 Envelopes - 50 Pk Envelope Size: 4.75" x 6.5" Perfect size for your announcement! Envelope Enclosure Size: 4.5" x 6.25" - Perfect size for A-6 Flat Cards, 4 x 6 Cards, Photos etc. Weight: 80# Text or 6pt Great for holding up through the mail system! Finish: Smooth Great for Digital Laser Printers! These envelopes are great for any sort of invitation, greeting card, photos, post cards, etc. Perfect size for an announcement!