340 Wood for an outside building project

Can anyone advise me of the [B]½ûÂþÌìÌà name [/B] for [B]Tanalised pressure treated [/B] wood?
I want to build a large garden picnic bench using 50mm X 100mm wood (4x2) & 50mm X 150mm (2X6)
I also need some sort of [U][B]guide to price per metre[/B][/U] for this wood so I can estimate my budget here in the UK before I go out to Italy in May?
Please help? :)
Thanks

Category
Building/Renovation

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