Thank you for viewing! This is a set of 3 replacement gaskets for Thermos baby mugs. Brand new, unused, and unopened. Compatible with the Thermos water bottles shown in photos 5 and 6. * Immediate purchase without comment is welcome! * Many children's clothes are also on sale. We will discount 150 yen for each additional item when you purchase multiple items. * We strive for prompt responses, but it may take 2-3 days to ship. If you are in a hurry, please comment before purchasing, and we will do our best to accommodate you. * Please understand that there may be some creases from home storage. We may compress the items for shipping. * Please note that we are amateur inspectors, so there may be some oversights. We appreciate your understanding. * If you have any questions or concerns, please feel free to comment ^^