Based on the PCSC at 800-322-2640.
Benefits are lifetime worldwide lounge access for you and your family or 2 guests, $100/year PP card instead of $395, and access to the secured section of any airport with a CO/UA club.
This used to go for $1,000 some 10 years ago but CO has jacked up the rates every year since then. In 3 days no airline will sell a lifetime pass.