This two bongo set in one box produces a unique superior sound. Having both bongos within a one chambered box makes for very easy transporting or playing on the lap, while creating a deep resonance in tone. There are actually 4 playing surfaces as the sides feature a slide out that generates a beat as well. The Ca'Bongo box is a one of a kind addition to any collection for any beginner or professional. You won't find this anywhere else!