Personalized Kawaii Narwhal Ouma's Sweetheart T-Shirt. Looking for a cute and unique gift for your whale-loving grandma? Look no further than this sweet kawaii whale design! Featuring a adorable whale with the words "Ouma's Sweetheart", this design is sure to make your grandma smile. Perfect for a newborn gift, first outfit, hospital, baby shower gift, photography, baby coming home outfit, or any other special occasion, this design is sure to be a hit with any whale fan. So don't wait, order your kawaii whale design today! 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.