Compatible for Apple Watch Band 38mm, Milanese Loop for iWatch Bands 38mm Women Series 3 2 1 Black For Apple Watch Band 40mm: Top stainless steel mesh loop apple watch strap for iWatch Sports Edition series 4 IWatch Bands 40mm: Milanese loop band with durable adapters, very comfortable to wear and easy to install For Apple Watch Band: Fit for all 38mm versions of iwatch band,fit wrist size:40mm: 5.9 Inch - 9.0 Inch The Strong Magnet at the end of the band can adjust the length to the wrist size. One Year Warranty for apple watch milanese loop.Feel free to contact for any quality issues