Clear waterproof document bag for keeping important documents safe and handy during emergency situations:

Scroll to the bottom of the page to the section labeled "Emergency Preparedness Document Bag." This will open an email window in your browser using your preferred email client addressed to [email protected] Include with your name and address in the body of the email to request a free clear document bag.

Expect a long response time.

It is also announced here:

While the webpage does not explicitly state that this offer is only open to Texas State residents, I suspect that may be the case since this program is run by the Texas Department of Health and Human Services.