Personalized Future Pre-K Teacher T-Shirt. Especially for the Future Pre-K teacher this colorful design has handprints and slogan that says When I Grow Up I'm Gonna Be A Pre-K Teacher on a T-Shirt - White gift. 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.