Description : Softenvironmentalsiliconerubberwhichisdurablewaterproof , sizecanbeadjustedaccordingtothecircumstanceofindividualwrist , fitscomfortablyonyourwrist ; WithDIYTool - 4springbar , veryeasytoinstallandreplace ; Featuringlightweight , sturdy , softandflexible , perfectforthosewithanactivelifestyle ; Lengthoftheband : 117mm / 4 . 61inch , 68mm / 2 . 68inch ; Thickness : 3 . 5mm ; Material : Silicone , StainlessSteel ; PackageIncludes : 1PieceSiliconeWatchStrap 4PiecesSpringBar Note : Sincethesizeaboveismeasuredbyhand , thesizeoftheactualitemyoureceivedcouldbeslightlydifferentfromthesizeabove . Meanwhile , pleaseberemindedthatduetolightingeffects , monitor ' sbrightness / contrastsettingsetc , therecouldbesomeslightdifferencesinthecolor ofthepicturesandtheactualitem