... OEM service 4.competitive price,good quality 2011 fashion school backpack,travel bag,nylon backpackMaterial:nylon,sponge,liningsize:30*35* ... snap, zip lock, nylon zipper, mini grip4) logo and pattern: customized logo and pattern by silkscreen, offset printing or hot stamp5 ... printing colors8) Unit price: calculated with material, size, quantity, logo and other details and best price is based on detailed ...