Personalized Mermaid For Life, Mermaid Tail, Mermaid Silhouette Toddler Long Sleeve T-Shirt. Cute, fun and adorable design with mermaid silhouette, shells and text 'Mermaid for life'. Modern and trendy gift, perfect for the mermaid lover in your life. 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.