Great Little Grains, a UK-based cereal firm, has announced the launch of a new line of breakfast cereal packed in a board tube. Sown & Grown mueslis and granolas are promoted as “batch produced” and “expertly crafted in the heart of the English countryside” using “100% British grains”. Developed in partnership with packaging Alexir, the tube format is said to feature a plastic base sealed with an impact adhesive and …