1. Titanium Alloy Material, Sweat-Proof And Waterproof, Wear-Resistant 2. It Is Easy To Replace And Will Not Cause Damage To The Watch 3. Breathable And Comfortable 4. Fashionable And Beautiful, Bringing You A Different Visual Experience 5. The Length Of The Strap Is Easy To Adjust To Fit Your Wrist Note: The Product Only Includes The Strap, Not The Main Body Of The Watch