... EN71,ASTMD4236 3,OEM customer' logo 4,felt fiber nib Black Permanent Marker 1, We are specialized marker of pens manufacturer ... cleaners will remove ink from non-porous surfaces6,Writes on most of non-porous surfaces,such as leather,metal,wood,glass,CD ... ,plastic and photograph.7,Available in 4 cnventionl colores(black,red,blue,green ...