1. Material: plastic 2. Bend at will, store freely, rounded corners, waterproof and easy to scrub 3. Selected plastic production, health and safety, wear-resistant and durable, thick and thin moderate, comfortable writing 4. Comes with a scale, can be used as a ruler, easy to use 5. Multi-color optional, wide range of uses, can be used as a question and answer mat, placemats, table mats 6. Size: A3 about 27.6 x 41.6 cm, A4 about 20.3 x 29.1 cm