The apple watch band is compatible for
apple watch band 38mm,
apple watch band 40mm,
apple watch band 41mm,
apple watch band 42mm,
apple watch band 44mm,
apple watch band 45mm,
apple watch band 49mm,
apple watch series 8 band,
apple watch series 7 band,
apple watch series 6 band,
apple watch series 5/4/3/2//1 band, All iWatch Version.