Insert prodcts in salesforce

Pricebook2 pb = new Pricebook2(Name = 'Standard Price Book 2009', Description = 'Price Book 2009 Products', IsActive = true );
    insert pb;
Product2 prod = new Product2(Name = 'SLA: Bronze', IsActive = true);
    insert prod;
// First insert a price for the standard price book
Pricebook2 standardPB = [select id from Pricebook2 where isStandard=true];
PricebookEntry standardPBE = new PricebookEntry(Pricebook2Id = standardPB.Id, Product2Id = prod.Id, UnitPrice = 1000, IsActive = true);
    insert standardPBE;
PricebookEntry pbe = new PricebookEntry(Pricebook2Id = pb.Id, Product2Id = prod.Id, UnitPrice = 1000, IsActive = true);
    insert pbe;