The Autism On Board Magnets Come In A 2-pack, Each With A Thickness Of 30mil, Designed To Withstand Speeds Over 100 Mph And Remain Securely Attached In Rainy Conditions. Made From Strong Magnetic Material, These Reusable And Removable Magnets Are Intended To Be Used On Flat Metal Surfaces Of Vehicles, Not On Window Glass, Aluminum, Or Plastic. Their Primary Function Is To Raise Awareness And Promote Understanding Of Autism, Helping To Identify Cars Belonging To Individuals With Autism, Which Can Ease Communication And Reduce Anxiety In Unfamiliar Situations. Additionally, Displaying These Magnets Shows Support And Pride For Loved Ones With Autism. The Package Includes 2 Signs.