Personalized Little Sister - I Love My Big Sister Toddler Long Sleeve T-Shirt. Celebrate your sisterhood with I Love My Big Sister. Our apparel and gifts are designed to show your love for your older sibling. With our range of products, you can let the world know how much you appreciate them. It's also the perfect pregnancy announcement idea - share your joy with the world! 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.