Applicable model: Apple Color: Starlight, Transparent, Rose Gold, Silver, Gray, Black, Green, Midnight Blue Specifications: Suitable for :iwatch ultra [49mm] Strap material: PC Interface type: customized interface Shell,3# Black shell,4# Rose Gold shell,5# Starlight shell,6# Midnight Blue shell,7# Dark green shell,8# gray shell,9# pink shell,10# Titanium shell,11# Red shell,12# Orange shell,13# white shell,14# Official green shell,15# Purple shell,16 # Cyan wears away the shell Product size: 49mm