10 Pack – 6×9 Brown Kraft Self Seal Catalog Envelopes with Peel Mailing 28lbQuality Mailing Envelopes are perfect for shipping, storing or organizing. Heavyweight 28 lb. kraft paper withstands extensive handling at home, in the office or on the mail route. This classic open end envelope stores papers and photographs flat or larger items folded. These large envelopes are perfect for workbooks, manuscripts, booklets, sales literature, certificates, contractsSturdy envelopes & are manufactured from 28 lb. kraft paper; opaque and ideal for privacy and durabilityEnvelopes provide a secure seal to keep contents contained; center seam holds up to heavy weights + wear & tearEnvelopes make economical shipping envelopes for manuscripts, homeschool assignments, brochures, booklets, sales literature or photos sent flatProduct Dimensions: 9 x 6 x 1 inches