... customized design/size/material Ietmfashional soalr backpack Material1680D polyster,nylon, designleisure,sports,business,school MOQ100pcs per style PackingGeneral packing ... price Packing and delivery packing detail ,first opp bag package then put into carton.delivery 15-20daysproduct warrantly:1 ... pay the shipping charge and our postage for sending back.service scope:for the panel,the battery.2. ...