High Quality: Made from high-quality PP material, these poly envelopes are 20c thick, resistant to fading, and offer excellent protection. They are washable, reusable, and durable, resisting cracks and featuring a secure edge. Easy to View Contents: The transparent, yet stylishly colored, document folder keeps contents visible, making it easy to find documents without opening the envelopes. Size: Length is 33.5cm/13.2 inches, width is 23.5cm/9.3 inches. The size of the plastic folders is slightly larger than A4, allowing you to store more documents and easily insert and remove them. Convenience and Security: Features an exquisite button design. Documents are secure and won't easily slip out or get lost, helping to protect your items from light spills and moisture. Package Includes: 12 colorful transparent envelopes with snap buttons, easy to carry. These envelope bags are perfect for school, home, work, office, travel, and business trips.