CIBIRICH Punk Chain Chunky Necklaces for women： 1.Statement Necklace Fulfilled by Amazon 2.100% After Sales Service 3.Any question, You can fell free to contact us, We will solve the problem within 24 hours. Jewelry Maintenance Instruction: 1,Frequently clean the stains and sweat on Statement Necklace with soft dry clean cloth. 2,Keep your Statement Necklace away from water or other liquid chemicals. 3,When you don’t need wear your Statement Necklace,pls put it back to a sealed box,Aviod it is oxidize by air.