New SEALED Package. Transform your bedroom into a Riverdale-themed haven with these super soft pillowcases featuring Jughead Jones and Betty Cooper. The blue and white pattern adds a pop of color to your bedding ensemble while the standard size fits most pillows. Made of 100% polyester, these pillowcases are easy to care for as they are machine washable and can be tumble dried on low. Get your hands on this 2-pack pillowcase set from Warner Bros. Funky, perfect for any Riverdale fan.