1) 1-4c logo by silk screen or floating printing on the barrel. 2) ideal for promotion,advertising,office,school,souvenir,business gift. 3) factory direct sale,high quality,competitive price,quick delivery time and best service. 4) we can make sample according to your design drawing. 5) we can make design according to your sample ,then remake sample. 6) make mass production after your confirm the sample.