New Design
 
This silicone ocean band is made of soft silicone. It is skin-friendly, lightweight, flexible, breathable and comfortable for wearing.
 
The band has a stainless steel adjustable buckle to fit individual wrist sizes. 
 
Compatible Models: This sport ocean band is compatible with Apple Watch Band 38mm 40mm 41mm 42mm 44mm 45mm 49mm, for iWatch Ultra Series SE 8 7 6 5 4 3 2 1. Size: 38mm 40mm 41mm fits for 5.5" - 7.5" (140mm-190mm) wrists; 42mm 44mm 45mm 49mm fits for 5.9" - 7.87" (150mm-200mm) wrists.
 
For information regarding changing your band, see this link:
https://support.apple.com/en-au/HT204818