Personalized Clock My Teach Survived 100 Days Of Me | 100 Days Of School T-Shirt. Whether you're a student or a parent looking for a special gift, this design is a wonderful choice. It's a unique and meaningful way to commemorate the achievement of reaching 100 days of school. Get your hands on this delightful apparel and celebrate this milestone in style! 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.