Obsidian Bead Size: 6mm</br>Material: Obsidian</br>Wear it as a bracelet or necklace.Wraps approximately four times around adult wrist</br>It's not only a perfect match for your dresses and casual wear but also an unique meditation jewelry?? which can be use in yoga practice</br>Extreme durability with high quality elastic band allowing for easy on and off of your wrist and neck</br></br>Product Description</br></br>Mala Beads Multilayer Stretch Bracelet?? Black Obsidian Tiger Eye Buddhist Prayer Beads 6MM 108 Material: Obsidian Simple to identify the method: 1. The weight of the product is about 50g?? 2. Wearing on the wrist?? there is a feeling of cool and will continue for some time.Material if it is plastic completely fail to this weight and feel.</br><br/>http://www.amazon.com/gp/product/B01HG9T3R8