500 Difference Gray Ribbon Stickers (500 Stickers) - Awareness Sticker Stickers read "Together We Can Make A Difference" and features Awareness Ribbon People Awareness Ribbon Sticker size: 1 1/2 inches round 500 Ribbon People Stickers per roll These stickers are great for putting on your letters or envelopes Gray Ribbons represent Allergies, Alpha-1 Antitrypsin Deficiency, Aphasia, Asthma, Brain Cancer, Brain Tumor, Diabetes, Juvenile Diabetes, Mental Illness and other causes