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The products strictly conform to intertional standardsand raw material required in the production is reusable and environment-Friendly,below are details for the products:1.Plastic Parts:All plastic material used in production are subject to EN71 standards,to ensure a good stability and flexibility of the product,parts match perfectly with each other and there will be no leakage under a pressure of 20kpa.cap pull is about 20~25N,shelf-life is two-year guaranteed.2.Measurement of pen:16(D)*97(L)mm3.Ventilated cap,cap size is:13(D)*25(L)mm4.Plastic Coloring:Colorants are all subject to EN71 standards and are all imported with very special coloring process,all the products are made non-toxic with bright vivid colors,also with the fine colorants,there will be no fading,no transference and no change in colors under normal temperature.5.Ink:Washable ink,all conform to EN71-part9 requirement by using qualified dye-stuff and purified water ink colors are bright and vivid.6.Tip:Material is Fibre tip,supplied by Chinese Markers but subject EN71 standards.Fine Nibs ensure a nice drawing experience with no fork lines,good adhesion to the paper,good resistence to different temperature,perfect matching with different ink colors,and very important,nibs will neither slip into the barrel under any pressure less than 10N,nor break off under any press less than 8N.
7..Smooth drawing,Quickly drying.Stable and Fresh color,easy coloring.
8.Different set size:6-color/set,12-color/set,18-color/set,24-color/set,36-color/set
9.Printing on barrel:Silver or Golden color hot.10.Barrel:slide barrel.11.Good quality from senior factory,Comperative price from manufacture directly,Nice service from professional sales person.
Non-toxic industrial paint marker,environment-friendly