Personalized I Love My Grandma Rainbow Hearts T-Shirt. Whether you're a grandkid, a granddaughter, or even a soon-to-be mom announcing your pregnancy, this design is a great way to express your love for your grandma. It's also a wonderful gift idea for your grandma to show her how much you appreciate her love and support. 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.