New, bags for bulk products are offered in different sizes and sizes. For your bulk products: cereals, dried fruit, rolls, breads and buns or just your fruit. Our book bags are oxo-biodegradable bags, offer an alternative to traditional plastic packaging while preserving the freshness of your product. Can go to the freezer for a longer shelf life. The bags in the book do not have a square bottom, but have bellows on each side. Warning: these bags are not compostable or recyclable, put them to garbage destined for landfill sites.