Personalized Kawaii Octopus Auntie's Sweetheart T-Shirt. This super cute and kawaii octopus design is perfect for your little auntie's sweetheart! The perfect gift for a baby shower or new baby, this design is sure to please any child who sees it. With its soft colors and adorable octopus, this design is sure to become a favorite of any child. Order now and let your little one enjoy this auntie's sweetheart gift! Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.