This is a lot of 500 Purple Ribbon Pins most commonly used for Fibromyalgia, Pancreatic Cancer, Alzheimer's and Epilepsy Awareness.  These are brand new.  They are approximately 1" from top to bottom and 1" wide.

Some of the other things they are used for include awareness of 
 
Chronic Pain
Colitis
Crohn’s Disease
Cystic Fibrosis
Domestic Violence
Gastrointestinal Cancer
Lupus
Macular Degeneration
Sarcoidosis
Sjogren’s Syndrome
Thyroid Cancer