Personalized First Halloween Ghost T-Shirt. Celebrate My First Boo Cute Ghost Halloween design with a cute saying 'My First Boo' T-Shirt - Black. This charming ghost design brings a smile with its cute and friendly appeal. 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.