Personalized Owl First Christmas as Grandparents T-Shirt. Spread the holiday cheer and show off your new role with pride with our Owl First Christmas as Grandparents apparel. It's a wonderful way to commemorate this memorable occasion and create lasting memories. Order yours today and make this Christmas extra special for the new grandparents in your life! 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.