BIRTHDAY CHART POSTERS FOR CLASSROOM：Classroom birthday chart poster size about 11.5"x16.5",and comes with 4 piece self-adhesive tape that can be hang on the classroom bulletin board, windows and walls to display the student's birthdays.EASY TO WRITE AND WIPE: Reusable birthday chart calendar is made of high quality polypropylene paper,waterproof and smooth surface which is easy to write and wipe.Liquid chalk is recommended,you can easily wipe the text with a damp paper towel or a damp cloth.the birthday posters will be packed flat,if you receive the product came somewhat wrinkle or other any question,please feel free to contact us,we will issue you a full refund or a replacement.BIRTHDAY CHARTS FOR TEACHERS SUPPLIES: Colorful birthday chart poster features confetti designs, look shiny and eye-catching which catch student's eyes,They will well work in office or classroom.great back to school teacher supplies for kindergarten, preschool,elementary, middle school,high school,homeschool classroom wall decoration.HAPPY BIRTHDAY CHART POSTER: Classroom birthday calendar have plenty of space to write students' names,making it easy to record their birthdays,which will make students feel special and important on their birthday.CLASS BIRTHDAY POSTER: Birthday classroom chart is a great way to teach months and seasons to the kids and tell them that who has the next birthday,watercolor birthday chart is suitable for back to school first day of school classroom bulletin board decorations.