Econo Booklet Envelopes 24lb White Wove 6-1/2-x-9-1/2-50-pk - Shipping envelopes, Mailing literature and organizing paperwork Color: Econo White Wove || Flap: Moisten to seal Size: (6-1/2-x-9-1/2-inches) -reminder that all inserts must be smaller than envelope dimenstions. Envelopes made from paper basis weight: 089 GSM (24/60lb Text) These are an economical, commodity classified envelope. Great for mailing literature, brochures, flyers and other mass mailings -or- ideal for organizing paperwork.