Patent ID: 8656534

Claim:
A waterproof, water-vapor-permeable bed covering for covering a sleeping bed adapted to protect the sleeping bed from household pets, said bed covering comprising at least the following three layers: an inner layer being at least partially cotton; a waterproof and breathable central layer having an inner face adjacent said inner layer and an outer face, said central layer permitting the transit of water vapor from said inner face to said outer face in a first direction, while preventing the transit of liquid water from said outer face to said inner face in a second direction; said central layer is a fluoropolymer layer; an outer layer being puncture resistant and at least partially cotton for providing wear resistance to a pet above said outer layer; said bed covering being washable in a water based domestic home type washing machine; and, wherein said inner layer, said central layer, and said outer layer permit said transit of said water vapor, in said first direction, traveling from an occupant between said sleeping bed and said bed covering, through first said inner, then said central layer, and finally said outer layer.