Gummed seal envelopes have a thick strip of adhesive activated by moisture; use an envelope moistener for a strong, sanitary seal
An excellent value; get 100 classic brown kraft 9x12 envelopes at a stock-up price
Quality Park 9x12 clasp envelopes serve double duty for sorting or mailing; heavy-duty kraft envelopes have double prong metal clasps, reinforced eyelets & gummed seals; great for home, office, school
The durable oversized envelopes are made of heavyweight 28 lb. brown kraft paper for added durability during mailing, storage, and handling.
9 x 12 mailing envelopes are perfect for sending large lay-flat items without folds or creases; perfect for contracts, catalogs, registration packets, 8 x 10 photos and more