Thank you for viewing my product from among many others! ⚪︎ Brand new, unused ⚪︎ Immediate purchase OK 【Ring Sizing Kit】 This is a kit for checking the size of your ring. It supports US sizes 4 to 15! Material: Plastic Color: White Contents: 37.5g 【Ring Size Conversion Chart (US ⇔ Japan)】 US Size Japanese Size Inner Diameter (mm) Inner Circumference (mm) US 4 Size 7 14.8 46.5 US 5 Size 9 15.7 49.3 US 6 Size 11 16.3 51.3 US 7 Size 14 17.4 54.0 US 8 Size 16 18.0 56.6 US 9 Size 18 18.7 58.6 US 10 Size 21 19.3 60.7 US 11 Size 23 20.4 63.9 US 12 Size 25 21.0 66.0 US 13 Size 27 21.7 68.1 US 14 Size 29 22.3 70.1 US 15 Size 31 23.0 72.3 【Regarding Shipping】 ・We will pack as compactly as possible to reduce shipping costs. ・We will ship as quickly as possible, but if you are in a hurry, please let us know before purchasing. 【Things to note when purchasing m(_ _)m】 ⚠︎ As this is an imported product, there may be minor scratches, burrs, color transfer, or stains due to imperfections in the manufacturing process. We kindly ask that those seeking the perfect quality of Japanese-made products refrain from purchasing. ⚠︎ The product images may differ slightly in color from the actual product. Please understand this before purchasing. No scratches, discoloration, etc.