Compatible:Suitable for almost all lancing device Sterilization:Sterilized by Gamma-Ray Instructions: Do not use lancet if protective cap has beend removed previously. Do not store lancet in lancing device. Color:Red,light blue,Beige,Blue,Purple Specification:21G,23G,26G,28G,30G Packing:100pcs/box,20000pcs/ctn or 200pcs/box,20000pcs/ctn http://www.sinomedevice.com