Classroom Paper Organizer: Easily get your students' assignments and projects sorted with this clever paper tray set that is an excellent solution for collecting homework, book reports, or storing hall passes Versatile: Conveniently stack these paper trays to free up space on your desk in the home, office, or classroom to keep essential files, documents, bills, and letters Quality: Each colorful stackable paper tray organizer is made from durable plastic material Dimensions: The rainbow paper trays measure 9 x 13 x 3 inches each; suitable for letter-size papers and file folders Package Contents: You will receive 4 stackable letter trays in red, green, blue, and pink colors