Guardian’s Professional Fiberglass Mandolin Case (CG-065-M-LGY) fits most F and A-model mandolins. It is impact-resistant, water-repellent, and has an arched top. It is equipped with nickel-plated latches, a lock, and a leather handle. Its crushed-velvet interior and foam cushion the sides of the instrument body, supporting with medium-density foam underneath. Extra-soft foam helps hold down the neck. Go to guardiancases.com.