The disadvantage is that there's a need to be aware of thin or be careful because parts of the plastic is usually notbuk or some watdubop so be careful to use or move.
The downside is a delicate Be careful about the use or care. The rest of the notebook by many to be plastic. Or fragile materials So be careful in handling or moving.
The disadvantage is is subtlety. Be careful about the use or extra careful. Because of the notebook by many to be the plastic materials or delicate, so be careful to use or move.