1.Size:
For Apple Watch Band 42/46mm(Series 10）
For Apple Watch Band 49mm(Ultra 2 1）
For Apple Watch Band 45mm(Series 7 8 9)
For Apple Watch Band 41mm (Series 7 8 9)
For Apple Watch Band 44mm (Series 6/5/4/SE)
For Apple Watch Band  40mm (Series 6/5/4/SE)
For Apple Watch Band 42mm (Series 3/2/1)
For Apple Watch Band 38mm (Series 3/2/1) 
2.Installation:Complete design with connection,Easy install
3.Nice choice as a exquisite gift for Birthday, Christmas, Thanksgiving Day, Father's Day.
4.Wrist Size :Magnetic Buckle,Easy Adjust the length
5.Package Includes:
1*watch band( not include watch)