The Choice Zip Bi was designed as a tandem glider for flight training and as such the Bi designation indicates "bi-place" or two seater.
The "Zip" name indicates that a zipper is included in the wing to reduce wing area when required.
The aircraft's 14.21NaN1 span wing has 54 cells, a wing area of 54m2 and an aspect ratio of 4.95:1. The pilot weight range is 110to. The glider is DHV 1-2 Biplace certified.