Apple Watch Ultra Plastic Cover with Cover and Tempered GlassThe replacement watch strap is made of high quality silicone, providing a breathable, sweatproof, and comfortable fit. The electroplating hard PC case includes a built in tempered glass screen protector for 360 degree protection against scratches and drops, while maintaining original image quality and touch sensitivity. This lightweight case allows for easy installation and access to all controls without interfering with charging or requiring tools