Apple Sport Band watch

eBay - gadgetfix802

Official Apple Sport Band, Red color, Silicone material, Correct closure mechanism, Matches visual appearance in video

Apple Sport Band - (PRODUCT)RED, M/L (42mm, 44mm, 45mm, 46mm, 49mm) | For Apple Watch Series 2 | Fluoroelastomer | Strap

eBay

Brand matches (Apple), Model matches (Sport Band), Color matches (Red), Material matches (Fluoroelastomer), Closure mechanism matches (Pin-and-tuck)

Genuine Apple Watch Sport Band Product Red 40MM S/M & M/L Never Worn Replacement

eBay

Brand matches (Apple), Model matches (Sport Band), Color matches (Red), Material matches (Fluoroelastomer), Closure mechanism matches (Pin-and-tuck)