A.O. Wilson sells millions of aluminum screw caps every year. That’s saying something! Whether its a wine bottle, spirit bottle or your favorite custom bottle, AO Wilson can offer any type of closure and any decoration possible at very competitive pricing. At A.O. Wilson we know presentation is everything and we work hard to help you achieve the look you desire.AO Wilson can offer screw caps with a variety of colours, liners and sizes at very competitive pricing. Custom screw caps are also available.