The geometry rulers set 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:Transparent -Material: -Size:30.00X3.00X0.10cm/11.79X1.18X0.04in(Long Straight Ruler) -Size:6.50X3.00X0.10cm/2.50X1.80X0.04in(Short Straight Ruler) -Size:19.50X11.30X0.10cm/7.70X4.40X0.04in(60° Triangle Ruler) -Size:14.00X14.00X0.10cm/5.50X5.50X0.04in(45° Triangle Ruler) -Size:10.00X5.70X0.10cm/3.90X2.20X0.04in(Protractor S) -Size:10.30X6.20X0.10cm/4.00X2.40X0.04in(Protractor L) -This ruler set is perfect for students, teachers, math experts, architects, engineers, artists, designers at any level. -Including different rulers, which can satisfy your daily measuring needs. -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: 2 x Long Straight Rulers 2 x Short Straight Rulers 2 x Triangle Rulers(60°) 2 x Triangle Rulers(45°) 4 x Protractors