Adjustment method: free adjustment, no tools requiredSuitable for Apple Watch 38/40mmFeatures: luminous jewelry design, embedded luminous jewelry, fashionable and beautifulLuminous Pearl for Apple Watch Band Make You Become the Most Attractive Party OueenProduct attributes: for iWatch series 5/4/3/2/1The replacement strap of the watch is stylish and generous.Colour:black/GoldenMaterial:metalSize:length: 155mmApplicable wrist circumference: 150-200mmweight: 40gPackage Contents:1 x Watch strapOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.