Personalized Blue Octopus Granny's Sweetheart T-Shirt. If you're looking for a gift for your grandchild that is both unique and special, look no further than the Blue Octopus Granny's Sweetheart design! This playful and adorable octopus granny is sure to put a smile on her face, and the sweet sentiment will let her know just how much she means to you. Plus, the blue octopus is a symbol of good luck in many cultures, so she'll be sure to appreciate the thoughtfulness of this gift. Order yours today and let your grandchild know just how much you care! 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.