Personalized Monster 1st Grade Fun Long Sleeve T-Shirt. Get ready for for 1st grade Long Sleeve T-Shirt - Pink with a funny cartoon monster carrying a backpack and colored pencils and cute Kawaii apple on a pile of books says 1ST GRADE IS MONSTROUSLY FUN! Photo gift tee for 1st graders first day of school. 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