2mm Round Ring, Size 4, Gold, Plain Band, K18 Gold Plated This is a 2mm wide round ring with a mirror finish. The ring material is surgical stainless steel with K18 gold plating, so it won't rust even if it gets wet, and it's durable. Ring Size: 4 Available sizes (approx.): 26, 23, 21, 18, 16, 14, 11, 9, 6, 4. You can also change to these available sizes! Simple, highly luxurious, and very popular design! Free shipping! The thickness may vary slightly depending on the size. Please confirm your size before purchasing, as returns and exchanges due to incorrect size selection by the buyer are not possible. The first person to purchase will be prioritized, even if comments are in progress! Shipping will be via regular mail (mini-letter). Please note that there is no tracking number or compensation. If you would like to receive your order at a convenience store, you can upgrade to Yu-Yu Mercari Mail Yu-Packet Post Mini for an additional 120 yen. Please comment if you would like to do so.