Material: made of flexible plastic, soft and durable. the flexible rule can be adjusted into different shapes makes for many different designs. Professional flexible curve ruler for engineering drawing, design graphics, garment design. Ideal for use in drafting, engineering, construction, surveying, dressmaking, craft, making clothes, and various other uses. Simple to use and easy to clean, plastic transparent edges design to prevent ink from marking the tape. The flexible ruler can draw a perfect contour curve without measuring, which is very suitable for measuring curved seams and designing curved quilt frame patterns. Specification Product size: 60cm long Color: Blue Material: outer PVC material, metal strip inside Package includes: 1pc*Flexible Curve Ruler.