1.imported feed pump. 2. fiber tip made of material from Japan . 3.high performance ,easy dry after write . Normal white board marker writing length 300mwriting width 2--3mmpackage 12/144/1152chisel or bullet fiber tip black ,blue ,red ,green ready color for choice chinese ink ,international color ,dry fast ,wipe off easily after writing get certificate of MSDS ,EN71 and ASTMD .OEM service ...