Metallic Citrine No 10 (4-1/8-x-9-1/2) Envelopes 100-pk - 120 GSM (81lb Text) PaperPapers Standard #10, Professional and DIY Business Envelopes Color name: Citrine Inserts: Inserts must be smaller than envelopes dimensions Envelope size: No 10 (4-1/8-x-9-1/2) Flap: Square flap - moisten to seal Paper basis weight: Envelopes made from 32lb paper -120 GSM (32/81lb Text)