This is a two component system: A: Resin an B: Hardner
This comes with both A & B  and  become like a puddy considencey once mixed. This can be applied to fill voids and imperfections. This can also be used as a glue to hold tile down.
Unit Includes: 3 Gallons of Trowl Mix and 1 Gallon of Hardner=4Gallons Total
Please read shipping info about the cost to ship.