34 1500gsm gray-gray back cardboard products are offered for sale by suppliers on Alibaba.com, of which paper & paperboards accounts for 76%.
A wide variety of 1500gsm gray-gray back cardboard options are available to you, You can also choose from wood pulp, mixed pulp 1500gsm gray-gray back cardboard,as well as from chemical-mechanical pulp, chemical pulp, and mechanical pulp 1500gsm gray-gray back cardboard, and whether 1500gsm gray-gray back cardboard is gravure printing, offset printing, or digital printing.