Woodtwister is an ecological screw top made of a 100% wood compound can be fitted either with a glass or wood inlay. Sustainable manufacturing has enabled a reduction in CO2 emissions and it has a very simple sealing process which can be completed by hand or machine. Knocks to the top will not cause leaks – all in all a functional and ecological upgrading of bottle design. It is combined with an insert made of toasted oak wood, a unique composite is derived that offers the advantages of a screw-top stopper with the positive attributes of top-quality natural cork.