Personalized 1st Valentines Day Choo Choo Train T-Shirt. Babys 1st Valentines Day T-Shirt - White outfit with cute choo choo train and holiday hearts. 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.