The Stretto Cello Humidifier is an effective in-case humidifer. Special material retains moisture longer than regular sponge. Easy and effective; attach inside case with included velcro; includes 2 bags
The Stretto Colore humidifier for violin, viola and cello offers safe and effective protection from dry conditions. This in-case humidifier from Switzerland includes 2 reusable bags containing a unique medium that retains moisture much longer than regular sponge; simply soak in water as per directions, place in Stretto container & attach to side of case (velcro provided).