Metallic Lagoon A2 (4-3/8-x-5-3/4) Envelopes 50-pk - 120 GSM (81lb Text) PaperPapers 4X5 Invitation, Response and DIY Greeting Envelopes Color name: Lagoon Inserts: Inserts must be smaller than envelopes dimensions Envelope size: A2 (4-3/8-x-5-3/4) Flap: Square flap - moisten to seal Paper basis weight: Envelopes made from 32lb paper -120 GSM (32/81lb Text)