flexible to be squeezed in a manner to force the tattoo ink through distribution port 24 trailing end cap 16 is preferably rigid l 1 u2014 length of trailing end cap 2 3 inches preferably about 2 5 inches l 2 u2014 length of cartridge 1 5 2 1 inches preferably about 1 8 inches d 1 u2014 diameter of trailing end cap 0 250 0 450 inches preferably about 0 350 inches in a preferred method of manufacture leading cap 14 is mounted to ink cartridge 12 and the ink cartridge 12 is filled with sterile fd amp c approved tattoo ink thereafter trailing cap 16 is then mounted to ink cartridge 12 and sealed through the ultrasonic well joint thus the entire device is hermetically sealed sterile and filled with the appropriate fd amp c approved tattoo ink this device can be prepackaged and shipped and delivered to the end user the ink dispensing instruments of the afore described embodiments are intended for use in conjunction with a tattoo needle 38 depicted in fig3 which may be secured to the device through any number of known conventional means for example the needle 38 can be mounted about the distal port and connected therewith with threaded means shown in phantom on the needle 38 as internal threads 39 which threadably engage corresponding threads not shown of cartridge 12 a bayonet coupling a frictional engagement etc alternatively the needle is not required and the ink from the ink cartridge.