About products and suppliers
534 thick gray cardboard sheets products are offered for sale by suppliers on Alibaba.com, of which paper & paperboards accounts for 87%.
A wide variety of thick gray cardboard sheets options are available to you, such as craft, fur and photo frame.You can also choose from wood pulp, mixed pulp and bamboo pulp thick gray cardboard sheets,as well as from chemical pulp, chemical-mechanical pulp, and mechanical pulp thick gray cardboard sheets, and whether thick gray cardboard sheets is gravure printing, offset printing, or digital printing.