Obsidian Crystal-like Buddhist Rosary Bracelets(Black)

1.Size and weight: width 6mm(there may be a 2mm deviation and please prevail in kind), weight about 15g, and 108 beads in total.
2.Material: obsidian.
3.Function: anti-fatigue, evil-driving, beautiful.
4.Application: birthday, advertising promotion, anniversary celebration, public relations planning, fairs, festivals, employee benefits, housewarming, opening ceremony, travel commemoration, awards commemorative, wedding, business gifts.
5.Attention: avoiding intense sports, bathing, knocking, chemicals when wearing.