Personalized I Survived 100 Days Of School T-Shirt. Whether your child is in kindergarten or elementary school, our "I Survived 100 Days Of School" design is a must-have for their wardrobe. It's not only a fun and stylish way to celebrate their progress, but also a great conversation starter among their peers. So why wait? Get your hands on this adorable design today and let your child proudly display their achievement! 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.