Durable, all-purpose mailing envelopes are ideal for mailing documents, catalogs, direct mail, promotional material, brochures and more. 24 lb. opaque white woven construction delivers privacy of contents. Open-ended style allows you to easily insert and remove items. Moisture-activated, gummed flap provides a secure seal. 6-1/2" x 9-1/2" size is perfect for smaller documents or items.Durable, all-purpose mailing envelopes are ideal for mailing documents, catalogs, direct mail, promotional material, brochures and more. 24 lb. opaque white woven construction delivers privacy of contents. Open-ended style allows you to easily insert and remove items. Moisture-activated, gummed flap provides a secure seal. 6-1/2" x 9-1/2" size is perfect for smaller documents or items.