they don't recommend that you remove the canvas for winter draig,maybe the cushions/matresses but most people don't - we've had a fewe and never removed any and they've all been fine. Its a lot of canvas and sort of semi[perm fixed at both ends from what I can remember.........
Amazing family weekend with old steam engines, classic car displays, market stalls, and full catering and bar. And camping on site - Save £25 by booking in advance.