Personalized My 1st Valentines Day Girls Heart T-Shirt. Cute my 1st Valentine's Day holiday T-Shirt - White with trio of pink heart shaped balloons for a baby girl. graphic c. Ne Metzger 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.