BIO Harmonica Bag 80 x 20 x 240 mm, 50 pcs. This biodegradable bag is ideal for packaging flat baked goods such as biscuits, stollen, cakes and other pastries. The accordion-style side folds allow square products to fit snugly, and the top and bottom seals keep each item secure. Crafted from 30 µm Natureflex film, the bag is fully biodegradable, so you can feel good about its environmental impact.