3D ruler Material : PP ,PET ,PVC Thickness: 0.18mm- ... We are specialized in the manufacturing 3D ruler, 3D lenticular ruler,3D folded ruler,Flexional ruler,Plastic ruler etc. The product sells well domestic ... visit and negotiate business!The festures of our 3D lenticular Ruler:Size 21*3cm ,16*4cm,20*3cm or ... bag , 5000pcs in a cartonOur design of lenticular ruler : lenticular 3D ruler with 2 flips