Love, love, love my Ifor Williams Trailer. My one horse will not load in some boxes-he is very fussy about what he will travel in. He has no problems with the IWT. It’s the best box I’ve ever owned (almost a year now) and in terms of dealer service – Mampro beats all others in terms of responsiveness and reliability hands down. I am in no way affiliated to them-I am genuinely a happy customer. If you’re in the market for a new trailer and lucky enough to afford a new box-try one of these out-your horse will thank you for it!