Shop ralph lauren porcelain blue bedding from Pottery Barn. Our furniture, home decor and accessories collections feature ralph lauren porcelain blue bedding in quality materials and classic styles. You can also add two flat sheets. Ralph Lauren has displayed beds with two flat sheets folded so that both patterns show. For example, in the photo to the right, they've placed a white ruffled flat sheet under a Cottage Lane flat sheet and folded it so that the white ruffle shows just on the edge.