Black Permanent Marker 1,long lasting and waterproof 2,conform EN71,ASTMD4236 3,OEM customer' logo 4,felt fiber nib Black Permanent Marker 1, We ... are specialized marker of pens manufacturer,owning well-trained R&D ... ,Writes on most of non-porous surfaces,such as leather,metal,wood,glass,CD,plastic and photograph.7,Available in 4 ...