ANOTTER 100 Days Done! Boys, girls, and adults will love this cool 100 days of school otter shirt! This 100 Days of School teacher t-shirt is also great for students...featuring cartoon otter, pencil, and text design! Wear this cool tee as a 100 days of school costume in your classroom! You are 100 days smarter so celebrate! Fans of otters will adore this cool school tee! Lightweight, Classic fit, Double-needle sleeve and bottom hem