Viscot XL Prep Resistant Ink is designed to remain visible for up to 10 time longer than other inks. Latex Free, FDA Registered, Surgical Grade- this ink is ready for skin piercing and tattoo sites & surgical procedures. Designed for surgical site marking for plastic surgery, orthopedic, and spine surgical procedures. Sized as a mini to be more eco-friendly and economical compared to other skin markers. It's easy to store. 100 Count packaged in clear plastic container providing clear visibility in offices & examination areas.