“Hermetic flexible bag to protect cameras and portable electronic equipment” which comprises a set formed by the following components: a flexible bag, UV filter, eye-window and in some embodiments the set can also present a flash support and a tripod connection. The flexibility of the manufacturing material enables that the same hermetic flexible bag be used with several types of equipment of similar shape and size. It also provides protection for the equipment without making its use difficult. The equipment is always protected and ready to be used.