... phone, etc. in 1680D waterproof Nylon suitable for camp multi-functional nylon solar backpack1)for charging MP3, MP4, mobile phone, laptop etc ... turn the sun energy to the electricity energy in the battery.2.it is suitable for 5v charge products,like mobilephone, ... leather etc.(provide your choice) Specification 1,We are profesional solar bags factory .2,Good quality ,and supply stable.competitive ...