Monowear Silver Metal Link Band with Easy Slide Polished Silver Adapter for 42MM Apple Watch Band Material: Stainless Steel. Adapter Material: Stainless Steel Designed from San Francisco, California The interchangeable band slot allow you to easily fit any Monowear bands Our adapter head is made from stainless steel for strong durability The only company that offers afforadble bands for you Apple Watch with a built-in adaper head