Usage Tips:1. Colourful transparent envelopes and large capacity: 5 different colours: transparent blue, green, yellow, purple and pink (2 of each colour). Easily organise and differentiate your papers with different colours. Envelope bag measures 13.25 x 9.25 inches, suitable for A4/US Letter size documents and other small items, can hold no less than 200 sheets of paper.2.WATERPROOF: Durable PP material plastic and waterproof envelope pouch with upgraded thickness to prevent tearing, durable to keep your documents or other items safely.3. SECURE TAPE CLOSURE AND LABEL POCKET: translucent document pouch with secure tape closure, easy to carry and store lightweight items, reusable and durable for many times. The plastic bag has a labelled pocket to easily distinguish documents.4. TRANSPARENT DOCUMENT POCKETS: Transparent and stylish document pockets allow the contents of documents to be seen at a glance, making it easy to locate documents without having to open envelopes.5.EASY STORAGE: Our plastic bags are easy to carry and can keep your belongings organised and help you to organise clutter, the envelope bags can be used at school, home, workplace, office, travel and business trips. The exterior mini labelled pockets help you easily sort and identify your documents.