Oral care sponges born from the medical field, standard M size. * New, unopened (10 pieces) and opened but unused (9 pieces), a total of 19 pieces are being sold as a set. * Purchased in a store in May 2025, one piece was used, and then stored at home. * Will be shipped via Mercari delivery. You can also view the product information here: [https://www.mouthpure.com/products/care-sponge/](https://www.mouthpure.com/products/care-sponge/) ★Please check the profile before purchasing★ [https://jp.mercari.com/user/profile/345663060](https://jp.mercari.com/user/profile/345663060) Thank you for viewing.