Personalized Cancun Mexico Tropical Vacation Beach Toddler Long Sleeve T-Shirt. Cancun Mexico travel Toddler Long Sleeve Tee - White beautiful vacation themed beach keepsake. 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.