thanks- now getting 'out of stock' message when testing the cart- we have approx. 50 products, mainly wedding and engagement rings. Each ring is available in 4-6 different materials, each a different price, also in a range of sizes, all made to order. However, trying to implement this, am getting out of stock when trying to select any size other than 'unknown'. Does hikashop create a 'product' for 6 materials and 20 ring sizes, eg 120 products? If so, can we control the stock levels so that the out of stock message does not appear? thanks...