Easy-to-Understand Set Square Set Easy-to-Read Textbook Numbers Perfect for Education. - Set Contents: Set Squares, Ruler - Size: Set Squares: 10cm, Ruler: 17cm, fits in a pencil case - Model Numbers: HA12A-250, HS17A-180 - Colors: Transparent, Light Blue, Yellow, Orange, Green - Uses: For education, arithmetic, understanding figures - Features: Design that makes angles easy to understand The outer nylon bag and tape have some folds and stains near the edges. Not recommended for those who are sensitive to such things. Simple packaging by an amateur. Recycled materials may be used.