Thanks for all the responses. I ordered A&I mailers from B&H. While browsing around B&H I found it interesting that the Kodak PK-36 mailers for E-6 or Kodachrome 35mm are now priced at $8.99, unless that's an error on B&H's site. Seems like I last bought some at B&H a year or so ago and they were at or just under $5. I think I get Kodak's message loud and clear.