skin marker: used in radiology research and doctor use, marking on patients’ skins before surgical and skin disease treatments! ink is nontoxic and nonirritant! clear and safe use on skins! regular color: violet. nib size: 1.0 mm. nib 0.8 mm/0.5 mm and other size can be offered by order production! attentions: 1、 clean and dry the skin firstly, and then use the skin marker for drawing! 2、use iodophor to disinfect the skin and fix markings! 3、use the dilute alcohol to remove the markings! 4、donot use a same marker with different person to avoid possible infection! 5、cautiously use on mucous membrane or wounded skins; please test with the patient who are sensitive to gentian violet！ shanghai kearing stationery co,. ltd is the specialist and leading manufacturer in this field in china, and she is a high technology products manufacturer confirmed and awarded by shanghai science & technology committee. all our professors are from universities in shanghai,and we researched and produced the ink by ourselves successfully. kearing textile marker has been selling well in both domestic markets and international markets for their top quality and best price kearing markers have been exported to east-south asia,japan,america,europe,south africa etc. welcome international distributors and sales agencies to join us you can also visit our web site: www/kearing/com or : export/kearing/com for more information.