Description☛20mm straps are compatible withSamsung Galaxy Watch 7 40mm 44mmSamsung Galaxy Watch 6 40mm 44mm / 6 Classic 43mm 47mm> Samsung Galaxy Watch 5 40mm 44mm / 5 Pro 45mmSamsung Galaxy Watch 4 40mm/44mm / 4 Classic 42mm/46mmSamsung Galaxy Watch Active (40mm) SM-R500Samsung Galaxy Watch Active 2 40mm & 44mmSamsung Galaxy Watch 42mm (SM-R810/SM-R815)Samsung Gear Sport / Gear S2 classic SM-R732Garmin Vivoactive 3 / Vivoactive 3 Music / vivoactive 5Garmin Forerunner 645/645Music / 245/245 Music / Forerunner158 / Forerunner 55Garmin Vivomove / Vivomove HR / Vivomove 3 / Vivomove Luxe / Vivomove StyleGarmin Venu / Venu Sq / venu2 plusAmazfit GTR Mini / GTR 42MMAmazfit Bip / BIP U / Bip Lite / Bip3 / Bip 3 pro / Bip S / Bip S LiteAmazfit GTS / GTS 2 / GTS 2e / GTS 2 Mini / GTS 3 / GTS4 MiniAmazfit pop / pop pro- All Watches with 20mm Wide Lug (Both Smart and Traditional Watches).☛22mm straps are compatible withSamsung Galaxy Watch 3 45mmSamsung Galaxy Watch 46mmSamsung Gear S3 Frontier / S3 ClassicSamsung Gear 2 R380 / Gear 2 Neo R381 / Gear 2 Live R382Amazfit Stratos / Stratos 2 / Stratos 2S / Stratos 3Amazfit GTR 47mm / GTR 2 / GTR 2e / GTR 3 / GTR 3 Pro / GTR 4Amazfit BIP5Garmin Venu 2 / Venu 3Garmin forerunner255/255 music / Forerunner265/265 musicGarmin vivoactive4 Fossil Gen 5 Carlyle / Julianna / Garrett / Carlyle HR /Hybrid Smartwatch HRFossil Mens Gen 4 Explorist HR / Mens Sport- All Watches with 22mm Wide Lug (Both Smart and Traditional Watches).☛18mm straps are compatible withGarmin Venu 3S / Venu 2SGarmin Forerunner 265S / Forerunner 255SGarmin vivomove 3SGarmin move 3SGarmin vivoactive 4SGarmin Active SFossil GEN 6 42mmFossil Womens Sport / Charter HR / Gen 4 Q Venture HR / Gen 3 Q Venture Smartwatch- All Watches with 18mm Wide Lug