The Apple Watch Solo Loop (Star Fruit) 46mm – Size 4 by Apple Inc. is a seamless, stretchable silicone watch band designed for 46 mm Apple Watch models, featuring a bright Star Fruit yellow‑green color and a minimalist buckle‑free design that easily slips on and off the wrist; made from soft liquid silicone rubber with a smooth UV‑treated finish, it is lightweight, comfortable, sweat‑ and water‑resistant for everyday wear and active use, and the Size 4 fit provides a secure, snug feel for smaller to medium wrists while combining vibrant style, durability, and convenience in a single accessory.