Resin Material Silver Color Durable Style About this item 1, Resin Material The hot ironing ruler set is made of high quality resin material for durable use. 2,Temperature ResistantThe hot ironing ruler adopts tough transparent resin special treatment at high temperatures, so that it is not afraid of hot iron steam (heat resistance temperature is generally below 220 degrees, short-term extremely high temperature can withstand 280 degrees) 3,Easy to UseThe patch ruler size is 20 x 10cm, 30 x 10cm. The ruler design is very easy to use and practical. It is an indispensable tool for manual lovers. 4,Easy OperationPut the ironing fabric ruler in the middle of the fabric, fold the fabric over, you can clearly see the size of the part ironed. 5,Humanized DesignThe resin sewing ruler has a round angle, which is convenient for measuring special pieces; there is also a right angle design which is used to measure the horizontal and vertical dimensions of the fabric.