Personalized My Nana Dinosaur T-Shirt. My Nana Thinks I'm Out Of This World! A cute dinosaur astronaut out in space lets the universe know what Nana thinks. Cute gift from Nana to her little dino. Everyone loves our Custom T-Shirts! 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.