... with sandwich line for durability 2.Soft and pliable for surveying and mapping, reverse control Sandwich Garment Ruler is made of ... side can be used for measurement. Soft and pliable for surveying and mapping, reverse control. Popularly use in handcraft area. ... can be used for measurement.3) Soft and pliable for surveying and mapping, reverse controlQuality:Environmental health, non-toxic and tasteless ...