Personalized Never Forget The Difference You've Made, Hearts, Teacher's Day T-Shirt. Cute, fun and adorable design with hearts and text 'Never forget the difference you've made'. Modern and trendy gift, perfect for Teacher's Day. 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.