Shop Oh Happy Day designer party plates and napkins at Bakers Party Shop. Find paper plates in 7" and 9" sizes in a large selection of solid colors and metallics in gold, silver and iridescent. These partware items are essential for parties, celebrations and for packaging your sweet treats on! Use the 9" size as cookie trays and platters and to make your own dessert charcutiere board on! You'll also find pastel shaped ice cream cone plates and napkins.