Personalized 2021 Kiss My Class Goodbye Toddler Long Sleeve T-Shirt. Kiss My Class Goodbye! Say goodbye to the class of 2021 with a kiss. You know where. Funny gift for your graduate. A classic for Fall, Winter and Spring, these long sleeve toddler t-shirts are sure to be a staple in your child's wardrobe. Whether layered or alone, this t-shirt is soft yet durable enough to stand up to your toddler's playtime demands.