Clay Flat Bands Clay Band Size:(12mm x 18mm - 0.6mm thick) Designed specifically for using with Clay Variations. Made with Premium Latex. Not just a compromise but an entirely new formulation of latex. Made to high quality standards, specifically for performance! Does not include Band Tying Tape ATTENTION: Be sure to trim your bands to the correct length before using them to get the most out of your bands! WARNING! These bands ARE NOT made to for rocks or stones. Doing so may damage your bands, your frame, or your person. Please do not use with rocks! These latex bands are offered in various thicknesses of premium black latex. These bands are cut with precision steel rule dies so that you can be assured of consistency and quality from band to band. The advantage of the steel rule die is that nicks and inconsistent cuts are eliminated, resulting in a product that outperforms and outlasts hand-cut bandsets.