Fred Stranger Things official product.

Prevent unwanted visitors with double-sided Do Not Disturb signs. Attach them to your doorknob to reduce distractions and maintain your privacy during work, school, or strange laboratory experiments. Five styles: Hellfire Club, Hawkins National Lab, Demogorgon Hunter, Surfer Boy Pizza, and Upside Down. Made of durable MDF.

Stranger Things ™/ © Netflix. Used with permission.