Personalized So Cute Dutch Long Sleeve T-Shirt. Long Sleeve T-Shirt - White with the flag of Holland The Netherlands says I'M SO CUTE I MUST BE DUTCH! 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