July CaseSafe luggage review: I tested the world’s first un-losable suitcase on a 14-hour flight to Seoul – here’s the verdict

I also had to drag it up some steps at the tube station while it was completely full, and it withstood the multiple bangs like a champ. There was no issues with the telescopic handle sliding up and down when very full, which I do sometimes find to be the case with certain brands, so that was a plus point for me. The custom-designed twin spinner wheels are whisper-quiet, gliding over smooth airport polished concrete and uneven pavements with identical ease.

Interior