With wash+dry Design, you secure washable and dryer-safe mats. They are therefore perfect for allergy sufferers and pet owners. The wash+dry Design models are produced in Europe and have a backing made of 100% nitrile rubber. They are easy to care for, particularly flat and dense in pile, sound-absorbing, and non-slip. The mats can be washed at up to 60 degrees and are even dryer-safe at up to 90 degrees.