Personalized Autism Grandma Long Sleeve T-Shirt. This Autism Grandma I Love My Grandson autistic spectrum butterfly awareness Long Sleeve T-Shirt - White gift helps show support for your grandchild with PDD, PDD-NOS, Aspergers or autism. 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