Personalized Blue Octopus Bubbe's Sweetheart T-Shirt. If you're looking for a kawaii and unique gift for your Bubbe, look no further than this Blue Octopus Bubbe's Sweetheart design! This fun and festive design is perfect for any Jewish grandma who loves her grandchildren. Let your Bubbe know how much you love her with this one-of-a-kind 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.