Pack of 20 Midnight Black Solid Luncheon Napkins. 2-Ply Black Party Napkins measure 6.5″ x 6.5″ (16.5cm x 16.5cm). Ideal for serving small snacks, protecting surfaces or wiping up spills at a birthday party, Halloween party, graduation party or wedding. Paper serviettes make your after party clean-up really quick and easy.