• 1.75" height
• black nickel plated
• hard enamel
• 2 white rubber backings
• logo backstamp
 
pin grading standards:

an A grade pin may have one or two small imperfections that are not noticeable from a distance and by the artist's discretion do not notably harm the overall appearance of the pin. 
B grade pins may have one or two more noticeable flaws including but not limited to: 
 
enamel-
• large specks of color or black
• bubbles
• chips
• dents
• scratches
• missing fill
• miscolored fill
• overfill
• miscolored
 
metal -
• chips
• dents
• deep scratches
• tarnish
• uneven linework
• deep noticeable scratches
 
screenprinting (if applicable) -
• smudged
• print missing
• scratches
 
finishing -
• missing epoxy (if applicable)
 
B grade pins may or may not come with backing cards. pins with multiple noticeable flaws or extreme instances of the mentioned flaws are considered C grade.