canvas bags flag backpacks with three pockets Style:backpack Popular element:flag Usage:mall,travel,school Material:canvas Measurement customized Material Customized material with polyester,nylon,pu,pvc,transparent pvc,corduroy,jean,leather,neoprene etc. Logo Customized logo with transfer printing,offset printing,3Dprinting,high frequency,and embroidery,rubber logo etc Color customized Sample ...