MAPEI TILE MORTAR W/POLYMER (NEWINGTON, CT)

MAPEI Ultraflex 2 Tile Mortar With Polymer.
Professional grade/quality tile mortar for tile and stone.
For interior and/or exterior applications.
Provides better bonding over plywood.
Color is Gray.
There are 4 bags at 50 lbs.
each.
2 bags are unopened; 1 bag has a tear but was not used and 1 bag is open and was partially used but almost full.
They sell for around $25 per bag.
I am asking $60 for all 4 bags.