This ruler is well-made of for durable and practical use. can be applied for home, school, industry and office using. Light in weight, portable and practical, this ruler can meet your different kinds of demands. Features -Color:Transparent -Material:Plastic -Size:10.70X3.30X0.20cm/4.21X1.30X0.08in -With this practical scale ruler, you can easily measure objects and bring convenience to your life. -Light weight but sturdy, smooth, won't break easily, you can use this ruler for a long time with confidence. -A useful measurement tool for math classes, schools, classrooms, offices, and work spaces. -Featured by transparent color, high degree or transparency, not only practical, but also very delicate. -Our ruler is an excellent assistant tool for artists, designers, architects, engineers, students and more. Package list: 10 x measuring rulers