★ String Instrument Maintenance Supplies ★ 【Product Description】 Brand: YAMAHA Yamaha Product Name: String Instrument Humidity Regulator SIHR1 Currently discontinued by the manufacturer. The String Instrument Humidity Regulator SIHR-1 maintains the humidity inside the instrument case at a level suitable for storing the instrument body and bow. It also has an insect repellent effect, preventing the occurrence of insects harmful to string instruments. Contains 2 sheets (3 pieces per sheet / total of 6 pieces). 【Condition】New, unused. Unopened. Due to long-term storage and the nature of the product, there are wrinkles and stains on the outer bag. Please check the images. - Brand: Yamaha - Model: SIHR-1 - Type: Humidity Regulator - Application: For string instruments - Material: Silica gel Thank you for viewing.