Personalized Light Green Awareness Ribbon Long Sleeve T-Shirt. This awareness ribbon in light green is appropriate for Celiac Disease, STD awareness and chronic pelvic pain awareness. You can personalize t-shirts, buttons and light green ribbon gifts with a name or slogan using the designer tool. Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL