Poly Window Open End Catalog Envelopes, 9" x 11-1/2", 28#, White, Center Seam (Box of 500)

You’ll make a great impression with open-end window catalog envelopes that protect your important documents. The SFI-certified 28-pound white paper stock offers a professional, durable look for all materials up to 9 inches wide by 11-1/2 inches high. The clear window is perfect for magazines, catalogs and reports where an address section has already been pre- applied. Order as-is or ask about customization from The Supplies Shops.