Care and maintenance set for linoleum. The set contains 500 ml. Guardian Linoleum Soap, a sponge, and maintenance instructions. The soap is specially-developed to both clean and protect linoleum surfaces. Linoleum is a natural product that requires regular care in order to maintain its natural properties. Guardian Linoleum Soap has been tested by the Danish Technological Institute and has been granted the “Interior Climate Seal”. Read our instructions on how to maintain linoleum here: Linoleum maintenance instructions.