Separate names with a comma.
Think 3 37-cent stamps will be enough?
I just weighed it on my postal scale. It's 3.3 oz by itself and 3.8 oz with a 9x12 manilla envelope. you can check rates at www.usps.com.
I mailed a new catalog the other day with a sheet listing the soon to be discontinued items. It cost me $1.11.