Passport bag, also known as passport holder and passport cover, as the name suggests, means a packaging bag used for documents such as passports, and is a type of badge bag. According to the different production materials, it can be divided into fabric passport bags, leather passport bags, PVC passport bags and fur passport bags. According to different ways of carrying, it can be divided into folio passport bags, double-open passport bags, hanging portable passport bags and wallet-style passport bags. Mainly used for loading passports, ID cards, customs clearance cards and other documents. Maintenance Tips1. Keep dry and store in a cool and ventilated place.2. Avoid exposure to the sun, fire, washing, sharp objects and contact with chemical solvents.3. The wallet is mainly made of glue when it is sewed. The glue is easy to melt when it meets water, so try not to touch the water when using the wallet. Special attention should be paid to rainy days.4. You can use leather conditioner or the same color shoe polish for care.5. In principle, only one card can be inserted in a card pocket, and two cards cannot be inserted reluctantly, which will cause the card pocket to loosen.6. All metal accessories should be carefully protected. A humid and high-salt environment will cause oxidation of the wallet. Applying a layer of transparenton the surface of the hardware can effectively prevent the oxidation of the hardware. cleaning methodWhen cleaning the wallet, you need to choose a cleaning brush or a clean cotton cloth according to the material of the wallet, which is also to ensure that the wallet will not be damaged due to the wrong cleaning method.If leather wallets are wiped with leather cleaner, the lens cloth for glasses is generally a cheap and easy-to-use helper. It will not scratch the wallet, and even smearing can restore the luster to the wallet. And the commonly used pencil and ballpoint eraser with one gray and one white end can be used as a cleaning tool for suede bags. If it is slightly dirty, it can be gently wiped off with a white eraser that is generally used for pencils. Seriously The dirt can be removed by rubbing the gray eraser end of the ballpoint pen. The reason is that the friction is strong, but the hand should be to avoid damage to the wallet.To clean nylon bags and cloth bread, you can gently press the surface of the wallet with a non-drip wet cloth. Except for silk, silk and satin bags, you can try a toothbrush dipped in toothpaste for local cleaning. However, no matter the wallet of any material, it should be placed in a ventilated place to dry in the shade after cleaning, but don’t take it out in the sun just for the sake of fastness, because the wallet after being scrubbed with water is the most vulnerable time, and it is exposed to sudden high temperature. , which can cause the wallet to fade or the leather to become hard and brittle[1]