About Size</br>Size 21in = Approx. 57cm in length, suitable for 21-inch ukulele.(Soprano)</br>Size 23 / 24in = Approx. 65cm in length, suitable for 23/24 inch ukulele.(Concert)</br>Size 26in = Approx. 69cm in length, suitable for the 26-inch ukulele.(Tenor)</br>If you are unsure of the size of your ukulele, we recommend that you measure your ukulele first. The ukulele bag must be longer than your ukulele. Please note this!