Nontoxic and devoid of any hazardous materials. A single marker can be used to mark 300-500 rats (depending upon animal size and/or applied area). Once applied, colors remain for 6-12 weeks. Broad and Fine tip Markers available.

Unlike permanent markers and art markers which can contain chemicals harmful to animals, Marking Pen use “legal pigments”, which are approved and regulated by the Japanese Ministry of Health, Labor and Welfare, for use in food, drugs and cosmetics. These pigments are nontoxic and devoid of any hazardous materials.

CAUTION: color can stain skin and clothing. The use of gloves and lab coats is recommended. These colours will not work on black fur.

Please note the following information for your safety.
All surgical instruments and devices from the Fine Science Tools product range are intended exclusively for use in experimental research laboratories and facilities or in veterinary medicine. Our Customer Support is available to answer any questions you may have about the field of application and the material properties.