This is a smartphone ring featuring a euphonium and a black cat design. Production takes about a week, so please refrain from ordering if you need it urgently. Smartphone rings are smartphone accessories that attach to smartphones and tablets. By putting your finger through the ring, you can hold your smartphone more stably. The ring rotates 360 degrees, allowing you to hold it at your preferred angle and also functions as a stand. *This does not guarantee prevention of drops. Materials: (Body) Polycarbonate, double-sided adhesive sheet (Ring) Zinc alloy, plated Size: Approximately 3.8 cm x 4.8 cm