The wooden beds have had three coats of clear high quality water based lacquer, replica luxury watches if they get dirty or grubby you can wipe over with a damp cloth which will remove any grime. The mattress inner can simply be hand washed in warm water and allowed to drip dry or on a light spin dry. Same as bedding at LYH. The top cover can be cleaned on a cold rinse, short spin and allow to dry naturally.