... wristband: 1.Oval dial, Waterproof 2.inside diameter--74mm; band width-16mm 3.Color: blue, red, black, etc. ... Waterproof, dampproof., Quakeproof, high temperature resist 2.Ring type wrist band, flexible, convenientRFID Silicon wristband flexile and steady in use, ... ) Material: silicone2) Dimensions: watch dial—oval; inside diameter--74mm; band width—16mm3) Color: blue, red, black, white, yellow, grey ...