The B&W foldon box is a unique transport case for folding bikes. The foldon box is design to carry all Brompton bikes as well as most other folding bikes. The internal walls have protective foam padding and the polypropylene / ABS shell offers excellent impact protection, as well as being very light, 6.1kg. The foldon box is held tightly closed with 2 robust straps with lockable buckles, suitable for TSA compatible locks.