Personalized Level 100 Days Of School Unlocked T-Shirt. Celebrate your child's milestone with our Level 100 Days Of School Unlocked design! This cute and happy apparel is perfect for commemorating their first 100 days of school. 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.