Commodity knowledge /oxidation to metal properties, clean and put in a sealed bag when not worn / Avoid wearing jewelry to do heavy work, easy to make the surface of the jewelry scratched and damaged /Do not touch perfume, vinegar, juice, bleach to reduce the occurrence of erosion / sterling silver jewelry is wiped with a silver cloth, and the plating accessories are soft cloth. After sale This item is handmade, and each piece/ore cannot be exactly the same This product is handmade, with a slight error in size. If the size of the custom goods is not the same, you can have one time without modification. However, the shipping cost and the return shipping cost are absorbed by the buyer and the seller. The manual bracelet uses Japanese imported elastic wire, although it is not easy to break, But it will lose its elasticity with time and use. Free change of line service (pay for return shipping) The bracelets are custom-made and do not accept individuals because of exchange/refund | Tips | - Please avoid wearing silver/brass jewelry when taking a shower/bath, swimming, or using a spa or hot spring. Otherwise the silver will turn yellow over time and restoration will not be possible. - If silver/brass becomes tarnished as a result of discoloration or oxidation, please use a silver cloth and wipe the jewelry in one direction. This should restore luster to the silver. - If silver/brass jewelry becomes slightly yellow in color, you can clean it with a solution made of baking soda and water. Soak the silver in the solution. Then, gently clean the tarnish off with a soft toothbrush or sponge. Silver with clean water and wipe dry. - To avoid oxidation, when not wearing, wrap your silver/brass jewelry in tissue papers and put it in a plastic zipper bag. This product is handmade, and so each one cannot be 100% identical. This product is handmade, and so slight variations in size are to be expected. We do not accept returns/exchanges for customized products.