Does anybody know the best way to get sponsership for my sunday league football team? We need �350?

I have been trying to get a company to sponser my sunday league football team so that we can get a new kit as our old one is years old. We need �350 and are offering to put our sponsers logo on the shirts and the homepage of our club website aswell has hand out company brochures at our games! But im getting nowhere!!! Does anybody have any suggestions?? Thanks guys.....