If the mobile phone is accidentally bumped or dropped on the ground, the notebook sleeve can effectively reduce the damage caused by the collision, which is determined by the characteristics of the material of the notebook sleeve; the better the material, the better the shockproof effect.

2. waterproof

The waterproof function here, to be precise, refers to the anti-splash function, which means that when traveling or on a business trip, the inner bag can effectively prevent rainwater, water vapor, etc. For hours, the notebook can be unscathed! Please note: even if the main fabric is waterproof, the zipper is not waterproof; even if some manufacturers use waterproof zippers, the stitching holes of the zippers still cannot prevent water from entering.

3. Anti-wear and scratch

Handsome men and women who often use notebooks know that the original beautiful notebook shell will have paint peeling and scratches soon after use; this phenomenon is especially obvious at the two corners of the front of the notebook, which is because we are using it. During the process, I often take out and put my favorite phone out of the bag. If I just use the outsourcing bag, it is easy to wear off the paint on the edge of the notebook; if I add a notebook inner bag, the problem will be solved.

4. Decorative

Many notebook liner bag manufacturers are constantly trying their best to introduce new ones! Change the original single style and printing effect into a colorful and novel design; open the outsourcing bag, take out the liner bag you just bought. I believe your colleagues, relatives and friends will definitely surround you and ask you where you got the good stuff!  When commuting to and from get off work, holding the liner bag with your favorite phone directly in your hand is also an effective way to increase the rate of return;  However, I am not responsible for the robbery caused by this!