Features: Durable material, the body of the inkless pencil is made of quality metal, durable, not easy to break or wear, comfortable in use; the nib adopts processed alloy, which can write smoothly and the handwriting is similar to the ordinary pencil, save-time for sharpening pens. Working principle,the nib rubs on the paper to decompose the alloy metal molecules and leave them on the paper surfaces; the erasable pencil can be applied on most papers, and the handwriting can be retained for a long-time regardless of the temperature or weather conditions. Practical gifts,the metal inkless writing pens can be regarded as practical gifts, will not consume woods, odorless and safe to use; they will be surprised to get such delicate gifts. Suitable for most people, for children, students, teacher, friends, etc. Wide range of uses, the metal inkless pens are suitable for children's painting, diary writing, note taking, scrapbook making and other art projects,unique design can nicely stimulate children's enthusiasm for writing and interest in learning. Specifications: Material:Aluminum Color:Black,White,Red,Green,Brown,Dark Blue Package Includes: 1 Piece Everlasting Pen note: Please allow 1-2cm errors due to manual measurement. Due to the difference betweeen different monitors,the picture may not reflect the actual color of the item.