Made out of premium soft, 100% top genuine leather with high-quality craftsmanship for long-lasting wear. Our Black BB Swift Leather strap for Apple watch has a brand new and elegant design for a skin-friendly and comfortable touch on your wrist from the inside. The interior lining is also made out of 100% genuine calf leather to ensure natural breathability. We also made sure that the leather holes wouldn't stretch. The fashionable leather style design looks truly unique with that stainless steel pin.