Aviation grade aluminum and German Bayer TPU 2-in-1 design provides the best level of protection and scratch-resistant compatible with all kinds of watch brands.
1. German Bayer TPU material provides the best protection and durability.
2. Premium 2-in-1 aviation grade aluminum alloy + TPU design.
3. Responsive buttons.
4. Compatible with Apple Watch strap lock design. Easy to install without get damaged.
Apple Watch Series 4 & 5 40mm.