Personalized Rainbow Unicorn Long Sleeve T-Shirt. This sparkling unicorn has a beautiful, colorful, lovely silky mane, and glasses. 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