Originally Posted by ptquilts
first class goes up to 13 oz for $3.26. Flat rate starts at $4.95.
BTW, supposedly first class and Priority travel at the same speed, so don't let any PO clerk talk you into upgrading a light package to Priority to make it go faster. Priority is like First Class for heavier parcels.
Yes, I can confirm that priority mail and first calss travel at the same speed from experience.