Not the kind for a trailor. I have tried google searches,Home Depot etc. Jesus! A simple fiberglass box long enough for a rolled up mainsail,why is this such a hassle? I used to see them advertised everywhere,a bit pricey but now I don't care.! May day, May day,May Day..Pan! Pan! Pan! Securite! securite! Securite! Make me a painkiller quick!