About product and suppliers:
            2,717 foam backpack products are offered for sale by suppliers on Alibaba.com, of which backpacks accounts for 10%, camping mat accounts for 6%, and school bags accounts for 4%. 

A wide variety of foam backpack options are available to you, such as 20-35 litre, 36-55 litre, and below 20 litre. You can also choose from unisex, male, and female foam backpack, as well as from polyester, nylon, and pvc foam backpack, and whether foam backpack is interior compartment, computer interlayer, or interior slot pocket. 

There are 1,910 suppliers who sells foam backpack on Alibaba.com, mainly located in Asia. The top countries of suppliers are China, Hong Kong S.A.R., and Singapore, from which the percentage of foam backpack supply is 97%, 1%, and 1% respectively.