The Genuine Apple Watch Sport Band Strap in Midnight S/M size is made from durable fluoroelastomer material in a sleek black color. Designed specifically for Apple Watches, this strap is compatible with various models including Series 1, 5, 7, 8, and SE (2022). With a secure fit for wrist sizes ranging from 140-190mm, this genuine Apple accessory ensures both style and functionality for your smartwatch.