Personalized 100th Days Of School And Still Poppin' It T-Shirt. The design features a playful and colorful popcorn theme, with the words "100th Days Of School And Still Poppin' It" written in a fun and eye-catching font. It's a great way to capture the joy and excitement of this special day. Your child will love wearing this design to school and showing off their accomplishment to their friends and teachers. 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.