Material: ABS Plastic, light weight, sturdy and durable, not easy to damage..Size: Length 30.6 cm, width 23.5 cm, height 2.6 cm. A4 size and smaller than A4, this folder is suitable for daily filing and storage of files. There are 40 pockets can hold 80 pages of music paper. Enough to get you through the show..Applicable scenarios: Very suitable for work or school use. It can be used to store presentation materials, interviews, resumes, papers, important documents, certificates, contracts, music scores, etc. You can also use it to store all graphics and graffiti etc. This will be a good memory in the future..Large storage capacity: Our folder has 40 pockets, each pocket can display 2 pages, a total of 80 pages can be stored. You can use it for daily filing and storage of files, music scores, children's graffiti, etc. The waterproof design can protect important documents or sheets from moisture..Design: There are special indentations on the corners of the inner pages, which make it easier to put in and take out paper. The inner page pocket has high transparency, so you can easily read all important documents. The seams of the pockets are also tight enough for long-term use. The frosted design of the folder shell makes it feel more comfortable.