Personalized Sister of The Groom Wedding Party Bridal Toddler Long Sleeve T-Shirt. Cute pink wedding butterflies with Sister of the Groom quote comes on a bridal party Toddler Long Sleeve Tee - White gift. 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.