Personalized I Love My Grandma Bright Rainbow T-Shirt. Made with love and care, this product is a great way to express your affection for your grandma. Whether you're a granddaughter, grandson, or even a soon-to-be grandparent announcing a pregnancy, this design is suitable for all family members. It's also a wonderful gift idea for grandmas who are proud of their grandkids and want to show it off with style. 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.