This kit has one 340 gram bottle of grinder cleaning tablets, one 500 gram bottle of espresso equipment cleaning powder, and one 1 liter bottle of milk cleaning liquid. Use the grinder cleaning tablets to remove the residual oils from coffee that accumulates on the burrs. Use the espresso equipment cleaning powder to backflush the machine and to soak and clean filter baskets, shower screens, and dispersion discs. Can also be used to clean the drip tray. Use the milk cleaning to remove burnt on milk from steam wands and steaming pitchers. See individual product pages for ingredients and usage instructions.