99 450gsm black color cardboard products are offered for sale by suppliers on Alibaba.com, of which paper & paperboards accounts for 5%.
A wide variety of 450gsm black color cardboard options are available to you, such as craft, clothing and shoe.You can also choose from waterproof, recyclable and eco-friendly 450gsm black color cardboard,As well as from wood pulp, mixed pulp 450gsm black color cardboard,and whether 450gsm black color cardboard is chemical pulp, or chemical-mechanical pulp.