Description: Surgical Skin Marker Pen: A set of 10 Pieces, all pens are with paper rulers, enough quantity to meet your use and replacement needs. High Quality: The tattoo stencil pens are waterproof, sweatproof and long lasting, no harm to skin, non irritating. It can be removed by low strength alcohol. Easy to Use: The Skin marker pens can easily draw accurate, clean lines and easy to color, clear marking and positioning on the skin. Suitable for professionals or beginners. Multiple Uses: Suitable for tattoo positioning, design and surgical skin marking. It can be used for eyebrow, lip, skin, etc. Note: Please be careful to clean the skin before positioning to avoid grease and dirty skin clogging the nib. Specification: Material: plastic Product Size: ( Optional ) Single Head Pen: Length 1x1x16cm/0.39x0.39x6.30inch, Tip: 1mm/0.04inch Double Head Pen: Length 1x1x14cm/0.39x0.39x5.51inch, Fine Tip: 0.5mm/0.02inch, Thick Tip: 1mm/0.04inch Ruler: length 15.5x1.7x0.1cm/6.10x0.67x0.04inch Package Includes: 10 Sets Skin Marker Pens with Paper Rulers Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!