multi-functional nylon solar backpack for charging MP3, MP4, mobile phone, etc. in 1680D ... many good designs, also customized design/size/material Ietmfashional soalr backpack Material1680D polyster,nylon, designleisure,sports,business,school MOQ100pcs per style ... ,white,blue, etc(provide pantone NO.) Fabric:nylon,polyester, canvas,leather etc.(provide your choice) Specification 1,We are profesional ...