(BeECO :) I am an official representative of Raypath. Used Sunbeam can be washed by hand with NanoSilver antibacterial soap or in a washing machine at up to 60°C (using NanoSilver Power Wash, without softeners or rinse aids).
Raypath Nanosilver Technology Sunbeam Optic Wipe Cleaner Blue
Raypath Nanosilver Technology Sunbeam Optic Wipe Cleaner Pink
Raypath Nanosilver Technology Sunbeam OPTIC VIPE CLEANER WHITE
Raypath Nanosilver Technology SUNBEAM OPTIC VIPE CLEANER GREY