Plastic envelopes are made of polypropylene and available in 6 different colors, 2 of each color. These plastic file folders are waterproof, tear-resistant, and durable, providing reliable protection for documents and office materials. LARGE CAPACITY: The binder pocket features an expandable design with sides that expand up to 0.8 inches (2 cm) high, capable of holding at least 200 sheets of A4 paper or more. MULTI-PUNCH SPINE DESIGN: Includes multiple punched holes compatible with most standard 2, 3, 4, or 11 ring binders. Fits most lever arch and ring binder folders. The A4 plastic folder has a top-opening design for quick and easy access. PRACTICAL DESIGN: Clear material allows contents to be viewed without opening. Each folder includes a label pocket, enabling color and label categorization for easy identification. Secure snap closure keeps contents in place. MULTIPLE USES: Ideal for everyday organization at school, home, office, or during business travel. Size: approximately 32 x 23.5 cm. Material: Plastic. Color: As shown in picture. Package includes: 12 x Binder folders. Note: Light reflection and display differences may cause slight color variation between image and actual item. Measurement may vary by +/- 1-3 cm.