Kit Includes: (1) IDENTI-SPY Marker (1) IDENTI-SPY Invisible Ink Dauber Marker & (1) 9 Led Uv Light. Requires 3 AAA batteries not included. Both markers are water based ink seen only with long-wave uv light "Black Light". Can mark paper, cardboard, cloth, and much more. Great for hand marking security entry points. For marking hard non porous surfaces the marks can be easily removed with a damp cloth. The perfect cleaning inspection tool. Did staff really clean - or - didn't they. Mark porcelain. stainless steel, ceramic tile, etc. Mark virtually any non porous surface for easy removal. Marker holds nearly 1/4 ounce of fluid with a polyester hardened bullet tip. Dauber holds over 1 ounce of liquid with a half inch circular felt tip. Always follow all label and document instructions provided when using our chemicals.

SDS Safety Data Sheets are always available at your request & highly recommend reading prior to making your purchase for your complete satisfaction. Products using dyes, liquids, and powders are the responsibility and liability of the user. Keep all chemicals, small parts, and (UV) lights away from children. Wear appropriate safety gear in accordance with SDS information and good hygiene practices. Never look directly into any light source.