All of these 3D printing processes make really great body jewelry! +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++If you have gauged ears you know that the jewelry you use tends to get dirty and smell less than pleasant if you don't clean them constantly. All of these materials (except silver) are not 100% dense. Because of this, you get little to no odor - it's the same reason wood, bone & stone plugs don't smell. +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++Besides that, there is a huge variety of texture that is super fun! +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++If you would like to dye your own White, Strong & Flexible parts in a wide variety of colors (brighter colors, richer colors, better colors) than what are offered, simply go to: http://www.dharmatrading.com/html/eng/3257-AA.shtml?lnav=dyes.html The dye is cheap, the site has great shipping rates and it makes beautiful color! Just follow the instructions on the jar & you can create any color of Strong & Flexible part.