Neuro Blooms are enamel pins based on brain PET scans of people experiencing different mental health conditions. They are enamel and metal with two pins and rubber backers on the back. They measure about 1 1/2" tall and 1" wide. Pins created in partnership with Shiny Apple Studio. This listing is for one Borderline Personality Disorder pin. Each pin measures 1.3" and has two posts for security.