Personalized My Mommy is a Teacher Funny T-Shirt. Funny teaching quote for kids says my Mommy is a teacher to save time just assume she's never wrong. 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.