Flexible CurveRuler Flexible Curve Rulers are popular used in garment design and arts. Flexible Curve Kearing flexible curves are Instantly adjustable to hold any contour shape without support. It is made of lead between steel ribbons, and encased in flexible blue plastic. It has inking edges. calibrated in inch one side, metric the other side. Complete work with an infinite variety of curves easily and accurately with this flexible ruler. Works wonderfully with landscape quilting involving hills and valleys, garment sewing with draped and curving seams, and much more! Ruler is flexible and contains clear directions and suggestions for use. 'Designing Curve', is a flexible measuring tool for designing curves, ruler includes inches and centimetre Shanghai Kearing Stationery Co,. Ltd is the specialist and leading manufacturer in this field in China, and she is a high technology products manufacturer confirmed and awarded by Shanghai Science & Technology Committee.Kearing can offer you every size of flexible curves with top quality:12"&30cm;16"&40cm;20"&50cm;24"&60cm;30"&75cm;36"&90cm