Color 20pcs Size 1005RL Style Disposable,Disposable Number of pieces 20 About this item EN02B series disposable tattoo needle cartridges with membrane sterilized packaging, designed by tattoo artist for tattoo artists. Professional tattoo needles are made of harmless sterilized stainless steel for daily use . Made of 304 surgical stainless steel and medical grade plastic. E.O. sterilized and blister packed. The round needle tips designed with slope and the flat tips designed with arc, very suitable for detailed artwork. Rubber band cartridges, with plastic membrane to ensure the tattoo ink won't go back into the tubes. Each needle could be compatible with standard cartridge tattoo machines and grips. Carefully designed and more convenient to use.