Superfine Ultrawhite A2 (4-3/8-x-5-3/4) Silver Foil Lined Envelopes 50-pk - 118 GSM (32/80lb Text) PaperPapers 4X5 holds paper folded 4-ways Invitation, Response and DIY Greeting Envelopes Ultrawhite (98 bright-white appearance) A2 Envelope (4-3/8-x-5-3/4-inches) - Perfect for small invite or letter-size aper folded 4 ways Square Flap - moisten to seal Envelopes made from quality papers. Virgin fiber, eggshell finish, 118 GSM (32/80lb Text) Lining placement: Lining is an accent and is placed inside envelope flap and throat, and stops midway, inside the envelope body.