Cool black lava bracelet men's bracelet. The 6mm bead is a bit smaller than the average ones you typically see. This one features one 6mm matte 14K gold filled bead. The lava stones work great as diffusers for your essential oils. The bracelet is strung on an elastic cord that makes it easy to slip on and off. It is an average 7.75 inch mens wrist size. Please specify if a custom size is required.