Jibbitz bases for Crocs, black. Includes 10 pieces plus some extras! Sizes: Approximately 10mm and 12mm in diameter. Will be shipped in a vinyl bag and then in an envelope. For an additional 100 yen, bubble wrap packaging and anonymous shipping are available. Since it will be sent via regular mail, it may take up to a week to arrive after shipping. As these are imported goods, there may be imperfections such as burrs or misalignments. Please refrain from purchasing if you are sensitive to such issues. Although they are new and unused, please understand that they have been stored at home. #piece＊base