Simpeak Stainless Steel Band Strap Compatible Apple Watch 42mm 44mm Series 1 Series 2 Series 3 Apple Watch 4 - Large/Rose Gold for Women Men 5 years warranty and free lifetime technical support globally, just email to seller any time to get the after-sale service NOTE: this band is 24mm wide and around 100gram weight, it's not fit for too small wrist (it's little heavy and wide for little girl) - if you have a big writs, you can choose the large size, it match 2 more links inside) only fit for 42mm apple watch (if you have the 38mm apple watch series 123, please search the 38mm stainless steel band from our store) made of premium 316L stainless steel material, more wear and corrosion-resisting, no allergy, but avoid friction when do the outdoor work match tool to adjust the band size, if you have problems to use the tool, please check the video or get help from seller before you bent the tool pins