Personalized Whale | I Love My Mimi | Grandson Granddaughter Gift T-Shirt. The charming whale design adds a playful touch, making it a delightful choice for any occasion. Whether it's a birthday, holiday, or just because, this gift will surely bring smiles and warmth to the hearts of both grandparents and their little ones. 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.