a4 dutch white card a3 white cardboard 4k white card 8k white cardboard marker paper g painting 230g cardboard

a4(A4) a3(A3) 8 open(8开) 4 open(4开)

120g (foot gram, equal to 140g of other families)(120g（足克，等于其他家的140g）) 160g(足克160g) 180g (foot gram, equal to 200g of other families)(180g（足克，等于其他家的200g）) 200g (foot gram, equal to 220g of other families)(200g（足克，等于其他家的220g）) 230g (foot gram, equal to 250g of other families)(230g（足克，等于其他家的250g）) 250g (foot gram, equal to 270g of other families)(250g（足克，等于其他家的270g）) 300g (foot gram, equal to 320g of other families)(300g（足克，等于其他家的320g）) bright white card 200g (foot gram, one side is bright and the other side is matte)(亮光白卡200g（足克，一面亮光一面哑光）) bright white card 250g (foot gram, one side is bright and the other side is matte)(亮光白卡250g（足克，一面亮光一面哑光）) creamy-white 230g thick (actual weight 180g)(米白色230g厚（实际克重180g）) creamy-white 250g thick (actual weight 200g)(米白色250g厚（实际克重200g）) creamy-white 450g thick (actual weight 260g)(米白色450g厚（实际克重260g）) creamy-white 300g thick (actual weight 220g)(米白色300g厚（实际克重220g）)