323 paperboard gray back products are offered for sale by suppliers on Alibaba.com, of which paper & paperboards accounts for 48%.
A wide variety of paperboard gray back options are available to you, such as craft, clothing and shoe.You can also choose from waterproof, recyclable and eco-friendly paperboard gray back,as well as from wood pulp, mixed pulp, and straw pulp paperboard gray back, and whether paperboard gray back is chemical pulp, chemical-mechanical pulp, or mechanical pulp.