Super flexible, but rigid enough to write with. You can wrap it around your finger. Nominal length 4". Writes in 87 languages, spells the most difficult words correctly and solves math problems. The writing center is a marking polymer, writing like a #2 lead. Writes 1/3 more than a conventional pencil. Sharpens like conventional pencils. Body in 4 assorted colors. Will not support electricity nor will it support flame. Assembled in USA