Reusable Straw Wheat coffee cups are a good option to combat both the war on waste and promote your brand at the same time. Made of wheat straw the cups are made from renewable material and biodegradable as well.
Constructed of double layer insulation they will keep your coffee or tea hot while not burning your hand. As they are used daily coffee cups have a low cost per impression compared to just about any advertising medium. Plus, they are unlikely to break if dropped unlike glass and ceramic coffee cups.