1. Material: plastic 2. Weight: A4 is about 260 grams, A5 is about 200 grams, A6 is about 150 grams 3. Dimensions: A4 is about 31x21.5 cm, A5 is about 22.5x15 cm, A6 is about 18.5x12.2 cm 4. Purpose: folder documents, bills, writing pads, etc. 5. Features: thick material, not easy to deform, arc-cut edges, no hand injury, with a measuring ruler along the edge, easy to use, telescopic suspension ring, can be hung on the wall, strong toughness, durable, firmly seized, not easy to fall off
