I485 approval notice = 塑料卡？

各位幫看看，移民局寄出的 I485 approval notice 是不就是塑料卡，不要笑我幾年都過了，等不得這幾天

Application Type: I485 , Application to Register Permanent Residence or
to Adjust Status

Current Status:

This case has been approved. On April 27, 2006, an approval notice was
mailed. If 30 days have passed and you have not received this notice,
you may wish to verify or update your address. To update your address,
please speak to an Immigration Information Officer during business
hours.