HIGH QUALITY: With high-quality PP material,the poly envelope thickness is 20c,hard to fade, pretty protective; washable, reusable and durable, not easy to crack, solid edge EASY TO VIEW FILE CONTENTS: Translucent through sleek colored document folder keeps contents visible and makes finding documents so easy without opening your envelopes .SIZE: length is 33.5cm/13.2 inch, width is 23.5cm/9.3 inch. The size of plastic folders is slightly bigger than A4. It means you can put more documents inside, and make put documents in and out of the wallet much easier. CONVENIENCE AND SECURITY: Exquisite button design.Documents are not easy to slip out and are not easy to lose, can help protect your items from light spills and other moisture .package includes: 12Pcs colorful transparent envelopes with snap button, easy to carry, the envelopes bags can be used at school, home, work, office travel and business trip.