Personalized Grandma To Be Announcement T-Shirt. Cute way to announce you are going to be a Grandmother, this Grandma to be T-Shirt - White has heart and arrow design. 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.