Apple Watch Ultra 4 / 3 / 2 / 1 (49mm) AULUMU Watch Strap with Built-in Plastic Case combines a rugged design with low weight and high comfort. The case is made of hand-laid and heat-pressed genuine carbon fiber and PC, providing effective protection without adding unnecessary weight to the watch.

The soft fluoroelastomer strap feels comfortable against the skin and features a breathable design, making it suitable for both everyday use and intensive activities. The integrated aluminum buttons provide full access to the side button, while the case's multilayer finish protects the watch without blocking the speakers or sensors.

• Carbon fiber + PC case
• Soft and breathable fluoroelastomer strap
• Full access to buttons, speakers, and sensors
• Adjustable for wrists measuring 170-205 mm
• Secure closure with aluminum buckle