HSG Special Design Black Band high-end Carbon Fiber Ceramic Ring for Men & Women material:carbon fiber,ceramic Internal contains rich activated carbon element,designed to arc that wear smooth size 10,height:8mm;weight:4g Fashion Beautiful Bracelet for Different Occasions:casual wear,anniversary,bridal,cocktail party,wedding or gift.With free box This item is fulfilled by Amazon FBA,usually the shipment takes about 1-3 days.We checked all the items carefully before the delivery,but it might be broken during the shipment,if you received the defective item or meet any other problem,please feel free to contact us,we will give you the reply within 24 hours.