Personalized Official Cookie Taster Long Sleeve T-Shirt. Official Cookie Taster - Great job if you can get it. Show everyone that you get first dibs on freshly baked delicious cookie goodness! 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