Personalized Big Sister Announcement Halloween Pumpkin Toddler Long Sleeve T-Shirt. elephant in a pumpkin has Im going to be a big sister quote for Halloween big sis announcement 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.