Personalized Little Sister - I Love My Big Sister (25) Toddler Long Sleeve T-Shirt. Show your big sister some love with I Love My Big Sister apparel and gifts! Whether you’re celebrating a new family addition or just want to show your sister some extra appreciation, these thoughtful designs make the perfect gift. Perfect for pregnancy announcements too, this collection is sure to bring a smile to anyone’s face. 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.