Personalized Mermaid - Gift From Grandma, I Love My Bibi | Granddaughter T-Shirt. This cute design is perfect for any occasion, making it a thoughtful gift for grandsons and granddaughters alike. It expresses affection and appreciation, reminding them of the cherished moments spent together. 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.