Personalized Rainbow Hearts I Love My Jitto Grandchildren Gift T-Shirt. Made for grandparents who adore their grandkids, this design is a beautiful way to celebrate the special bond between generations. Whether you're a grandpa, grandma, granddad, or grandmother, this design is perfect for you. It's a great way to proudly display your love for your grandchildren and let the world know how much they mean to you. 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.