BioBags are made from cornstarch and are fully biodegradable. They will biodegrade in approximately 10 to 45 days in a composting environment. The bags can be used for the collection of food waste, as well as the storing of fruit and vegetables. 35 liter (9 gallon). 40/roll. 23.6" width x 29.5" length. .68 mil. These superliners are strong and stretch well. Norway. Eco Categories: Biodegradable, agriculturally based.