Koninklijke Porceleyne Fles NV, formerly Koninklijke Delftsch Aardewerkfabriek De Porceleyne Fles Anno 1653 voorheen Joos, is a holding company based in the Netherlands, which is principally engaged in the production and sale of earthenware and related products. It is divided in four operating segments represented by its subsidiaries: De Porceleyne Fles BV, a producer of traditional Delft Blue ornamental earthenware; BV Koninklijke van Kempen & Begeer, a producer of silver cutlery under the brand Keltum; BK Cookware BV, offering kitchenware, pans, cutlery and appliances; and BV Leerdam Crystal, producing a range of functional and decorative crystal objects. Its product range includes traditional and modern earthenware, plates, bowls, vases, jugs, cutlery, collector items and other decorative items. Additionally, the Company operates a museum, a showroom and a restaurant.