... piece in PP bag,40bags/carton Cheap School bags for boys :Material for Cheap School bags for boys : 600D x300D/PVC ... specialize in varies of bags including cosmetic bags, toiletry bags, lady bags, fashion bags, tote bags, packaging bags, cooler bags, backpacks, travel bags, wallets and so ... use a variety of materials for our bags such as Polyester,Nylon, Microfiber, Canvas, Satin, clear PVC, T/C Cloth ...