The strength comes from raw materials continuously refined until ... The watermark is created during the paper making process and is caused by variations in the density of the paper.

This move closely follows a host of chocolate and confectionery swaps away from plastic into paper-based wrappers with ...

In fact, it’s the ingredients for paper – as it was made in ancient ... where people had to make do with writing on the skins of calves, goats and sheep. It’s been estimated that Europeans ...