Source for cheap gray card in the UK?

I've been looking into getting a gray card for whitebalance. I need something very small, or I know I'll never have it when I need it.
I've been looking at this, it's perfect.
http://www.amazon.co.uk/gp/product/B000HCQR8A
It's the right size, the right colours, and the right shape. But it's in the US. Does anyone know where I can get something like this in the UK?

All the fold-up 30cm cloth things are too big. The X-rite passport is perfect, if a little big. But it's way too expensive.

Fishmeister2009-12-01T04:25:03Z

Favorite Answer

I use a Jessops Grey Card, it cost around £6, I cut it in half and keep one in my camera bag and one floating around at home.

A piece of white A4 paper does indeed do a great job.

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Anonymous2009-12-01T02:46:35Z

personally i just use a peice of white paper for setting my white balance,

goto a camera store or print a grey card off your printer, eg print a a4 grey and stick it to a peice of board,

try this colour in photoshop if thats what you use to print your own grey card: 858585, - - or input your red green and blue channels at 133,