Accurate scale, clear measurement markings and easy to use Ideal for reading, drawing, measuring, and students' classroom learning tools Change the way you work and play with these silicone rulers designed with durability, flexibility and fun in all measurements Measuring range 0-20cm / 0-7.87 inch Ideal for students, mental workers, doctors, nurses, architects Made of soft silicone, lightweight and resistant to breakage. These drafting rulers are comfortable, yet easy to measure length and angle and also act as an innovative stress relief toy Unleash your creativity and relieve stress with our multifunctional drawing ruler Package includes 2 multifunctional ruler measuring tools, Manufacturer: Netbiio