–100% EO Gas Sterilized and individually packaged. –Needles made of 316 medical grade stainless steel. –Medical grade plastic tips. –20 Needles per box. 1. Safety membrane inside system. 2. Light clear colors tip body – better visibility. 3. Low profile housing & better ink flow & shaped on the inside. 4. Mag curved tip at the end for easier cornering. 5. Smooth edges eliminate additional trauma.