[Tool Including] Apple Watch Band Stainless Steel Metal Loop Replacement Watch Strap Classic Buckle Watch Bands for Apple Watch iWatch Black 38mm (Black, 38mm for Apple Watch) MATERIAL--316L Stainless Steel. Including the removal tool for your to get your desired size easily. COMPATIBLE WITH--Apple Watch with 42mm case = Apple watch 4 series 44mm EASY TO ADJUST--The length of the band can be easily adjusted according to your wrist(From 180mm to 240mm).Come with connection adapter SUITABLE MODELS--Apple Watch/ Apple Watch Sport/ Apple Watch Edition DOUBLE BUTTON INSURANCE FOLDING CLASP--Double button design, prevent touch the button by mistake, safe and looks beautiful