Material: This document case is made of high quality plastic, robust and waterproof. It's easy to clean. Size: A4, 320 x 260 x 22mm. This document folder has 20 sheets and it is enough for everyday school and office use. The documents are fastened in the folder at both ends so that they do not hinder you from reading files or sheet music. Each sheet has a single color, you can use it to classify the files and save them accordingly so that they can be found quickly later. The folder is multifunctional and particularly suitable for sheet music, DIY albums, archives, questionnaires, contracts, certificates, etc. Product description Material: plastic Size: A4, 320x260x22mm Color: Colorful Property: Made of high quality plastic, environmentally friendly, sturdy and durable. This document pouch has 20 colored sheets. You can use it to classify your files and store them separately. The cartoon design makes the binder beautiful and attractive. Particularly suitable for sheet music and DIY albums. Customer service: Your purchase is a great support to our shop. We are very grateful for your purchase. If you have any problems, please contact us. We will solve your problems in the first time.