Personalized I Love My Pop-pop Grandchild Gift T-Shirt. Show your love for your Pop-pop with this adorable "I Love My Pop-pop" apparel! This cute design is perfect for grandkids who want to celebrate their special bond with their grandfather. Whether it's for a birthday, Mother's Day, or just because, this gift will surely bring a smile to his face. 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.