Buy from Amazon : http://www.amazon.com/gp/product/B0068R4ZFU?tag=wayofcats-20

Mitsubishi Compatible 3D Glasses for SSG-2100MG by Blick

Active Shutter IR 3D Glasses
100 Compatible with Mitsubishi SSG-2100MG 3D Glasses
Works with Mitsubishi Panasonic SONY Samsung 2010 and prior Toshiba Sharp Philips Pioneer 3D TVs
Active Sync Smart Technology - No programming or technical skills necessary to set these 3D glasses to your Panasonic 3D TV
Prescription Eyewear Friendly Fits Comfortably Over Your Eyewear