The protractor for geometry is made of material, and allows for a view of numbers; With the mathematics ruler, you can measure an object easily. A perfect present for your friends, easy to take to class and to store in the classroom and . Just choose it as a school season present or a Christmas present. Features - Color: Green -Material:PP - Size: 15.00X3.00X0.20cm/5.89X1.18X0.08in -This Tool is perfect for students, teachers, math experts, architects, engineers, artists, designers at any level. -It’s a good helper for artists, engineers, designers, architects, students and others. -Multi-functional and versatile, it can be used for a variety of fields, such as construction, professional applications, architecture, engineering, school supply, etc. -It will work architecture, score measurement, art design or drawing templates as school work. -Portable and light, easy to store, not taking up any space, thus you can store it in your stationery bag. Package list: 4 x Rulers