Image Number 2 for United States Patent #5172441.
A quilted cover for a water mattress includes a peripheral side wall and a quilted top releasably attached thereto. The top has internal padding and a fabric outer surface. There is a peripheral recess in the top with the quilted fabric extending into the recess. Each side of the peripheral recess has a peripheral stiffening insert to prevent the recess from opening when a person sits or lies on the mattress.