They normally cost £7.99 for small size ( 10-22lbs) and £9.99 for bigger size(22-45lbs).You can sometimes get better deals on ebay but I got stung in the past when I oredered some that were hardly used but they most definitely weren't hardly used when they arrived. 

They have a protective outer coating rather than a wrap so no need for any cover.I always use a disposable liner with mine - much easier for the mucky ones! Boots do packs of 200 of them pretty cheaply. hth

Thankyou, i'm thinking of trying these. Aren't theythe ones with the wrap built in? How much are they new?

Sorry if already posted - just thought I'd say that sainsburys 1/3rd off all baby stuff included kooshies nappies( never has done b4 to my knowledge).Think it might only be in the bigger sainsburys stores.

I know they're still not cheap - about £6 or £7 now but a lot better than paying full price if anybody needs any.

I found them the best and easiest reusable I ever used.