The Martinez BC-BJ14P-BLK Shaped Polyfoam Banjo Case is made from quality polyfoam material, is fully lined for extra protection, and features a heavy-duty zipper. For a Perfect Fit: Please check the measurements below to ensure a correct fit for your banjo. 1. Internal Depth (Instrument Height) 11cm 2. N/A 3. Internal Width 36.5cm 4. N/A 5. N/A 6. Internal Total Length (Total length of your instrument) 104cm If in doubt, please contact us for further assistance.