The Stretto Cello Humidifier is a Swiss-made system which, gradually and evenly releases humidity over time with easy to use microfiber hydration pouches. It features a perforated container that attaches with Velcro to the inside of the case, or store in case pocket.
This is simply the most effective system to maintaining a consistently safe humidity level in a case's interior. The Stretto bag humidifies effectively for up to two weeks.
The Stretto Humidifier comes with 2 humidification bags and a case.
It measures 115mm x 95mm x 15mm.