Identity Stronghold - Security Sleeves for Credit Cards, Passports, ID Cards

Identity Stronghold offers a few basic, low-cost security sleeves for Credit / ID Cards, Passports, and Workplace Badges.

See http://www.idstronghold.com/

mobileCloak - shielded bags of various sizes

mobileCloak offers three different bags of various sizes that block 10MHz to 20GHz signals - http://www.mobilecloak.com/.

mCloak™ for Tolltags, GPS - Mobile Cell Phones, Smartphones, Communicators
Interior: 4 1/2"(w) x 6"(h)

mCloak™ r5 for 802.11b / Wi-Fi, Bluetooth, PDAs, ID tag, RFID tags and chips
Interior: 7"(w) x 6"(h)

med Cloak™ for Mobile Phones, Two-way Radios, 802.11b / Wi-Fi, Bluetooth, PDAs
Interior: 4 1/2"(w) x 7"(h)

Magellan's - RFID Blocking Passport Wallet

And now mainstream - a combo passport case and wallet by Magellan's

http://www.magellans.com

Mobile Edge - passport case coming soon, cell phone shielding here now

Mobile Edge has some great messenger bags, handbags, briefcases, backpacks... with shielded pouches. The pouches are designed to block cell phone signals, bluetooth, and do not seem to block RFID signals.

http://www.mobileedge.com

Supposedly coming soon from Mobile Edge is another simple passport case -
http://www.gearlog.com/2006/09/mobile_edge_wss_passport_walle.php

Emvelope - wallet inserts, wallets, passport cases

A product I hadn't seen before - a simple RFID shielding insert in case you love the wallet you've got. Plus a wallet and passport case all offered by Emvelope -

http://www.emvelope.com/products

Shelly - Hello Kitty Passport Case

RFID blocking passport case offered by http://www.shelly-shop.com/ for those of you who can read Japanese (or so I'm told by Digital World Tokyo, since I can't.)

Less EMF - Shirts, Wallets, Canopies, Materials...

For your various shielding needs -

http://www.lessemf.com/personal.html

Can't say I see the need for those silver lined camisoles or boxers, but they have a variety of materials available and another RFID shielded wallet to choose from.