All needles are single use as well as the other materials such as barriers (bags) that are used on any & all exposed equipment, gloves, ink caps, paper towels, stencils, etc. which are disposed of at the end of each session. All other items are cleansed & autoclaved (sterilization) after each use. Give us a call, if we aren't able to get to the phone, please leave your name & number with a brief description of what you're looking to do so that we can get back to you ASAP!