Impress your Student: These postcards from teacher to student are an easy and meaningful way to connect with children and families with an inspiring, smart, and colorful message from you, the teacher. Includes: Set of 50 Positive Postcards From Teachers to Students Teacher Notes to Parents Classroom Incentive Cards to Send Home. Size: Motivational Good Behavior Cards measure 4" x 6", plenty of white space to fill in your own personalization. High Quality: Our place cards are printed on Thick high-quality cardstock makes them easy to write on. Great for Teachers: These Positive Postcards are a great unique gift idea for new teachers, mentors, coaches, counselors, teacher appreciation, back to school, and end of the year.