Someone posted this on twitter in response to the extended strap.
>>8842608Not sure but here's what's on the page for the extended one
Product size
Band perforated side: H approx. 25 mm × W approx. 130 mm × D approx. 10 mm
Band fastener side: H approx. 25 mm × W approx. 110 mm × D approx. 10 mm