Personalized Blue Octopus Baba's Sweetheart T-Shirt. Looking for a unique and special gift for your grandma? Look no further than this Blue Octopus Baba's Sweetheart design! Octopus is known to be the cutest, kawaii, and most lovable Baba (grandma) in the world, and this design is sure to show your grandma 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.