Gewa Pure Fun Cello Case: Great Protection. Fun Style. The Gewa Pure Fun Cello Case offers a fresh take on our best-selling Gewa Pure Cello Case. It features a bold and elegant look along with great protection and durability. Polycarbonate Shells Like the original Pure cases, this version features polycarbonate shells—one of the strongest plastics today. It's a popular material for string instrument cases due to its exceptional impact and temperature resistance. The case also features a textured design, which naturally prevents scratches. New Latches The case features new and upgraded latches. They're more durable than the original latches. Accessory Pocket This interior accessories pouch can store rosin, cleaning and cleaners. Other Key Features Magnetic bow holders 2 padded backpack straps Scroll holder Sturdy side handle and shoulder handle Suspension padding with 8 pads for the perfect fit