522 thick gray duplex paper products are offered for sale by suppliers on Alibaba.com, of which paper & paperboards accounts for 88%.
A wide variety of thick gray duplex paper options are available to you, such as craft, clothing and shoe.You can also choose from waterproof, recyclable and eco-friendly thick gray duplex paper,as well as from wood pulp, mixed pulp, and straw pulp thick gray duplex paper,and whether thick gray duplex paper is coated, or uncoated.