Lovely 37++ Concert Acoustic Guitar Case. 2020 popular 1 trends in luggage & bags with acoustic gitar case and 1. About 12% of these are instrument bags & cases, 0% are other special purpose bags & cases. Your safest option is to get a roadworthy hard case, one that can handle the rigors of land, sea and air. These select acoustic guitar cases will give you one less thing to worry about when traveling with your precious instrument.