OXWALLEN team according to the feedbacks from our old version, now release upgraded stretchy solo loop with metal adapters and matte finish adjuster. OXWALLEN Stretchy Apple Watch bands replacements with 9 colors, tyey could fit all the version watch were released. They are great partners to your watch in office & gym,, change the look by not change the watch, comfortable to put on, easy to install. Skin-friendly materials let no irritations will happen, breathable and soft, easy to slide off to clean. We wish you could have a nice shopping experience. We hope this information would help you to make a better purchase since we knew some new owners of the Apple Watch may not familiar with the size of watches. Actually, Apple Watch 1/2/3/4/5/6/7 & Apple Watch SE, the bands that fit the 42mm version would also fit the 44mm 45mm case, cause they were the same design in the notch part, the bands that fit the 38mm version would also fit the 40mm 41mm case, so no matter what series watch you got, all you need to do are Check the size under your watch. Measure the length of the wrist Select the right one for you: for iWatch 7 41mm/ 38/40mm (wrist 4.5"- 8.54" ) Or for iWatch 45mm/42/44mm (wrist 8"-11" )