1, material: inside and outside layer cowhide + hardware buckle-2, size: 22mm universal-3, connecting head: stainless steel quick disconnecting ear-4, interior the same calfskin, high-end luxury-5, breathable and sweat resistant, feel comfortable, manual oil edge-6, suitable for Samsung, Huawei, Xiaomi, vivo, OPPO, traditional watches, hoco. Y series and other 22mm flat interface watches