Personalized Pre-K Here I Come Unicorn Girls Toddlers Kids Back To School T-Shirt. This enchanting theme features vibrant unicorn graphics that capture the imagination, making it the perfect choice for toddlers ready to embrace the excitement of back-to-school. Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.