Personalized Kiss My Class Goodbye 2023 Long Sleeve T-Shirt. Kiss My Class Goodbye 2023. Congrats, grad! Tell your school it can kiss your class goodbye. Funny gift for the graduate of the class of 2023. 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