The new bottle, made by appe, is reported to represent a 90 saving in weight compared to the previous glass bottle. It is the latest new packaging development from asda after, earlier this month, it launched a new bag for its jersey royal potatoes that is made of evap film and will extend the shelf life of the product. Asda&rsquos new salad dressing bottles have been designed by appe&rsquos design facility in belgium and are manufactured at the company&rsquos factory in the uk near wrexham.suzie hardy, senior packaging development manager at asda, said &ldquothe high clarity of the material and premium shape promotes the quality of our chosen by you brand. &ldquothe new design features all of the convenience of the glass bottle and brings with it great environmental benefits.