BLACK DAY discounted products cannot be exchanged or refunded due to a simple change of mind.MADE IN KOREASterling silver 925- Send immediately- Depending on the monitor specification, the color of the product may look different.- Silver 925 products can be discolored by sunlight, sweat, and moisture.Please keep it in a polybag at all times.- Ring size: It will be manufactured in KS standard new gauge size from January 2022.Please choose the size based on the circumference of your fingers.(see table below)If you can't decide the size, please consult through the bulletin board.