Bat Lover PinA high quality product made from hard enamel with a smooth finish and gold plated metal on the pink/purple version and silver plated metal on the black/purple version. It's available in two variaties, one in pastel colours and one in darker pink and black.
The measurements are approx. 24 mm (0.94 inches) by 41 mm (1.61 inches) and it has two pin posts on the back to prevent it from spinning around on your preferred piece of clothing you'd would like to wear it on. Such as your lapel.