1.Fit wrists of 5.5 -8.1 inch (140mm - 205mm), the length of this band for apple watch 45mm/44mm/42mm can be adjusted by removal tool. 2.More thiner than the old style iwatch band, if you do not like the bulky apple watch stainless steel band, this is an ideal choice. 3.Remove one or more extra links to resize the length according to your wrist. 4.Easily operate butterfly clasp: pressing the side button to open or close. 5.Package Includes: 1 x 42mm/44mm/45mm iwatch band (Watch is NOT included) 1 x remove tool 1 x instruction