find one with a seam between the two halves, it will sit much better on the bed we use a skandika 5cm got it on fleabay, the company had a buy it now for £82 and and several auctions, got it for £42 in the end
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.