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. 80 liter (33 gallon). 120/case (6 rolls of 20). 32.3" width x 41.3" length. .68 mil. These superliners are strong and stretch well. Eco Categories: Biodegradable, agriculturally based.