PACKAGE CONTAINS: 36pcs plastic envelopes in 11 colors (3 red, 3 yellow, 3 blue, 3 green, 3 white, 3 black, 3 sky blue, 3 violet, 4 Orange, 4 rose red, 4 transparent). Poly zip envelopes have a bag for labels, which makes it easy to distinguish documents, conduct topic induction and others what you want to assort. PRODUCT SIZE: 33 x 24cm / 13 x 9.5inch, letter size / A4 size. Can meet your storage needs for a large number of files. MATERIALS: Our Poly Zip Envelope is made of quality PVC plastic. The zipper head is made of plastic, which is very smooth to use and not easy to damage. It can protect the documents or articles stored in it from wrinkling or getting olg. PRODUCT FEATURES: Our products are in 11 different colors, can not only add color to your desk, but also making it convenient to store different types of materials in different colors, more conducive to organization and storage. The quality PVC plastic surface also protects the file from damage. PRODUCT USE: Poly Zip Envelope can be used for file storage in homes, schools, college, offices, etc., and can also be used to store your personal belongings. A transparent surface allows you to find the files or items you want to find more quickly.