I'm selling this because I no longer need it. E.D.GEAR EFG-U1 Ukulele Fingerboard Guard with Humidity Control - E.D.GEAR EDGEAR By using Silica-Cling, which has humidity control and deodorizing effects, it provides three benefits: protection for the fingerboard and strings, humidity control within the case, and deodorization. ・Fingerboard & string protection ・Humidity control ・Fret rust prevention ・Body crack prevention Compatible with soprano, concert, and tenor ukuleles, the three most common types of ukuleles. Detailed Information Total Length: 300mm Width: Head side/40mm, Bridge side/50mm Thank you.