Personalized Kawaii Octopus Gram's Sweetheart T-Shirt. If you're looking for a gift for your grandchild that will make them smile, look no further than this Kawaii Octopus Gram's Sweetheart design! Octopus is so cute and kawaii, and this design is sure to please any grandmother who loves her grandchild dearly. 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.