The Protec Violin / Viola Shoulder Rest Pouch in black (Model # A223) is a lightweight and versatile accessory for violin and viola players. This pouch is designed to fit most shoulder rest sizes and brands, providing a convenient storage solution. It features a zippered closure to keep your shoulder rest secure, and it can be easily clipped and secured to a case for easy transportation. With its durable construction and practical design, the Protec Shoulder Rest Pouch is a must-have for any violin or viola player.