Personalized Orange Octopus Nanny's Sweetheart T-Shirt. Introducing the Orange Octopus Nanny's Sweetheart design! This adorable design is the perfect gift for any grandma who loves her octopus grandbaby. Octopus grandma's are the best, and this design is sure to show just how much you appreciate her. 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.