Genuine Nespresso Descaling kit, newest formula. Contains 2 sachets of 100ml descaling solution. For instructions please refer to the user manual of the machine, or follow the link printed on the box for videos and guides from Nespresso on how to descale your machine. Suitable for: Inissia, Pixie, U, Maestria, Gran Maestria, Latissima, CitiZ, Essenza, Cube, Concept, Expert, Prodigio, Saeco, Siemens and Classic line machines.