Personalized I Love My Pop Grandchild Gift T-Shirt. Celebrate the special bond between grandparents and grandchildren with our "I Love My Pop" apparel. This charming design is perfect for grandmas and grandpas who want to show off their love for their grandkids. Whether it's for a birthday, Mother's Day, or Christmas, this gift is sure to bring a smile. 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.