Personalized Kawaii Narwhal Oma's Sweetheart T-Shirt. Introducing the cutest whale around - perfect for newborns, babies and toddlers! Our Oma's Sweetheart design is the perfect way to show your grandma how much you love her. Whether you're looking for a gift for Mother's Day, Christmas, her birthday, or just because, this design is sure to put a smile on her face. Grandmas are the best, so show yours how much you care with this adorable design. Perfect for baby clothes, blankets, towels, and more, this design is sure to make her feel loved. 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.