1.High quality PS , 2.the ruler smoothly 1.Materialplastic2.length15/20cm/30cm3.size15/20cm*3cm4.Packingcarton:39cm*21cm*48.5cm,opp bag,pvc bag. Loose packing.customized packing5.G/W,N/W21kg/20KG8.We are waiting for the friends at home and abroad for further cooperation and mutual development9.We provide reasonable price and high quality YIWU plastic fold ruler 15/20cm