50 PCS Plastic Envelopes: 50 packs plastic folders, 33 x 23.5 cm/12.99 x 9.25 inch, in 5 bright colors—Dark blue, purple, Yellow, Green, and Clear, eye-catching & good for sorting. Premium plastic envelopes, thick, sealed nicely on edges, sturdy, not easy to come apart or fray, can hold and protect things well. Plastic Folders for Documents: 50pcs document folders, large quantity, good for classifying, can target different items like payment, study note, certificate, project material etc.. Clear file folders, you can see through easily without opening, great for finding what you need in short time, and in 5 assorted bright colors, help sort out different types of paper work. Protective File Folders: Quality poly envelopes, waterproof, well wear-resistant, can well protect your papers against water, scratch, friction, dust etc., and keep them away from wrinkles, crease, damage, smear, and loss, great for storing and transporting important documents, and protect fragile items like old newspaper and files. Multipurpose File Folders: 50pcs File bags for school use, to hold papers, handouts, notes, stationery etc., for office use, to keep brief report, project document, finance statement, meeting material etc., for home use, to store bills, receipts, appliance instructions, photos etc., for craft items, craft papers, stickers, embellishments, for storing travelling items, makeup items and so on.