This Measuring Ruler is made of premium cork backing material, safe and to use, not easily deform, can be used for a long time. This ruler can easily meet your different needs, it is a necessary tool for studying, cork backingworking, engineering, drawing and much more. You can carry it in your bag, which is light enough. Features -Color:Silver -Material:Stainless steel, wood -Size:30.00X3.50X0.50cm/11.79X1.38X0.20in -Manufactured with professional technology to ensure the durability and longevity of cork backing straight ruler. -Can be used for drawing, line cutting, graphic, teaching, engineering and other fields. -Not easy to break, strong and , can stay with you for many years, not easy to dent, always that you are drawing . -Lightweight and potable characteristics are designed for easy use and storage, making your tools look neat and organized. -It is a useful measurement tool for artists, designers, architects, engineers, students. Package list: 4 x measuring rulers