Hang on to your non-biodegradable bags if you use bags to store your winter clothes, etc in cupboards against dust and insects!
Biodegradable bags in cupboards disintegrate and make a terrible mess, disintegrating into the fabric of sweaters, and does not always wash out. Biodegradable, yes, however what about the atmosphere? We will now be breathing in bits of degrading plastic, into our stomachs and lungs .