Personalized Castle Birthday Princess Adult Sweatshirt. BIRTHDAY PRINCESS Adult Sweatshirt - White with sweet fairy tale pink and green castle with hearts, blue clouds and funny frog prince. Stay warm and stylish with this classic adult sweatshirt, perfect for everyday comfort. Crafted from soft, durable fabric, it features a relaxed fit for added coziness. Whether you’re lounging at home, running errands, or enjoying outdoor activities, this versatile sweatshirt is a wardrobe essential for any season.