Dust is the enemy, Protec is your friend.
Protec's Microfiber Cloth Blankets provide protection from bows, bow holders, and dust. Because Protec's Microfiber Cloth Blankets are lint and chemical free, they are ideal for safely wiping down your instrument, as well. Non-fraying edges ensure a long life, and the entire blanket is washable to allow for unlimited use. Fits most oblong viola cases.