This Quill A4 Board is perfect for school projects, card making, signage and more. It has a thickness of 200 gsm and is acid-free so you can use it with a wide range of art supplies. Features: It has a thickness of 200 gsm making it sturdy and durable. This board is A4 size which makes it perfect for everyday use. There are 100 sheets of board in this pack so you can stock up at once. It's acid-free so it won't react with your art supplies. This board is white.