Sleep & Beyond myProtector Wool Filled Mattress Protector, Queen 100% Cotton/100% Wool Imported Protects against spills, stains, dust mites and other bacteria Wicks away moisture eliminating cold and clammy feeling Regulates body temperature Resistant to dust mites, mold and mildew Machine wash in cold water on gentle cycle and reduced agitation Air dry only No Heat Use washable cover Regular sunning and airing