Serve up some sake or kick back with your favorite vacation style beverage from these real vintage style handmade bamboo wood drinking tumblers. Crafted from an eco-friendly and renewable resource, these cup are great for businesses and brands that like to think green. As a natural product, it should be washed thoroughly before use. Great for soft drinks, wine, party drinks and more! Natural bamboo tone. Add your school, sports team, organizational or company logo or message to customize.