Simple but Elegance Style, Relaxed Mood for Office Work- Exquisite sanding process, comfortable hand feel. This wallet folder is non-toxic, waterproof, moisture resistant oil-proof, and wear-resisting , safe to use for students, office workers and other professionals.Thick & Durable - This a4 plastic wallet is made from thick PP plastic eco-friendly material. Adopting Ultrasonic edge ironing, render it much more durable, strong and roomy plastic folders. the closure of plastic wallets are secure and safe.Wallet Size - The size of our button wallets folders are about 32cm x 23cm, slightly bigger than A4 paper. It means you can put more documents inside, make it easier to putting documents in and out .Commercial Purpose- Our plastic folders are very useful for travelling with lots of paperwork and documents. Plastic wallets can organize checks invoices, project file and soon on for bank, car, insurance, work, etc paperwork into separate folders.Versatile Plastic Wallets - These document Wallets are very convenient for students to storage courses' notes. You can put each courses' notes in a file, and use clear plastic wallets for each course so you can instantly grab the notes you want.