Quality Park 9-1/2 x 12-1/2 Catalog Mailing Envelopes with Redi-Seal® Self-Seal Closure - Catalog - #12 1/2 - 9 1/2" Width x 12 1/2" Length - 28 lb - Self-sealing - Wove - 100 / Box - White

Redi-Seal White Catalog Envelopes require no moisture to seal and no peel-off strip to throw away. Simply fold down the flap. The special coating provides a secure and permanent seal. Saves time in mail handling and preparation. Envelopes feature an open-end design.