BirthdayExpress Sonic the Hedgehog Party Supplies - Beverage Napkins (20) Includes (20) 2-ply paper beverage napkins. Each measures 5" x 5" in size. Add matching tableware, favors, accessories, or a party kit bundle to complete your Sonic themed birthday party. Features classic characters from the SEGA video games such as Sonic, Knuckles, and Tails!