2878 heavy duty school backpack products are offered for sale by suppliers on Alibaba.com, of which school bags accounts for 13%, student backpack accounts for 13%, and kids backpacks accounts for 1%.
A wide variety of heavy duty school backpack options are available to you, such as waterproof, soft and portable.You can also choose from autumn, summer and spring heavy duty school backpack,as well as from vintage, casual, and england style heavy duty school backpack, and whether heavy duty school backpack is polyester, nylon, or canva.