The Green PE material of Marjukka eco freezer bags marked with the swan flag is made from the sugarcane plant, which is a 100% renewable natural resource. Freezer bags must be recycled like normal plastic waste, the material is not compostable. The bags are suitable for freezing various foods, such as berries, and for thawing frozen foods in a microwave oven or in a water bath. Bag size: 250 x 400 mm. Heat resistance: -40 to +70 degrees. Keep out of reach of children. The package does not include bag closures.