Personalized Whale-Grandma | I Love My Moomaw | Grandson Granddaughter T-Shirt. Ideal for any occasion, this design makes a thoughtful gift for grandsons and granddaughters to honor their Moomaw. Its playful style and heartfelt message create a warm connection, making it a cherished keepsake for years to come. 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.