Features: Easy to use,the tattoos cartridge needles hold inks well. the needles are easy to set up and switch and allow artist to enjoy a more fluid tattooing procedure. Safety membrane,the membrane mechanism prevents tattoos ink from spitting back. the tattoos cartridge needles are compatible with all tattoos machines, tattoos pen, and tattoos grips. Material make of silicone and plastick the tattoos cartridge needles are reliable for all-purpose work. Designs the light clear color makes it easy to observe the needle striking. the needle bar design allows the needles make full contacts with the skin. the close mouthed tips allows stability and control. Tattoos artist, beauty salons professionals and individual DIY tattoos enthusiasts. Specifications: Material:Silicone Style:#12 1RL 3RL 5RL 7RL 9RL 11RL 14RL 3RS 5RS 7RS 9RS 11RS 14RS 5M1 7M1 9M1 11M1 13M1 15M1 5RM 7RM 9RM 11RM 13RM 15RM Note: Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Box Disposable Tattoos Needles