Universal compatibility—Perfectly works with apple watch series 3/2/1, iwatch Sport/edition. | Easy installation—Unibody band&case. Easy to put your watch in and out, never fall off. Access to all controls, buttons, sensors and watch features. Please kindly note there is no screen protector included, so as not to affect your user experience. | Superior Quality—The advanced dual-layer designed frame combines solid polycarbonate with flexible tpu materials, which prevent your watch from damage in accidental drop, bump and shock; the adjustable rubber loop is made of premium tpu, with durable metal dual-prong buckle closure which can be released quickly. | Fit Size—Suitable for the wrist length from 6.5" to 8.6" (165mm-219mm). | Comfy Experience—Lightweight but strong. Provides comfy in exercise, travel and outdoor activities.